<?xml version="1.0" encoding="utf-8"?>
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.xbrl.org/2003/linkbase">
  <roleRef roleURI="http://www.esma.europa.eu/xbrl/role/cor/esef_role-999999" xlink:href="http://www.esma.europa.eu/taxonomy/2020-03-16/esef_cor.xsd#esef_role-999999" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://persimmonplc.com/xbrl/2022/roles/Anchoring" xlink:href="persimmonplc-2021-12-31.xsd#Anchoring" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://persimmonplc.com/xbrl/2022/roles/StatementOfChangesInEquity" xlink:href="persimmonplc-2021-12-31.xsd#StatementOfChangesInEquity" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <arcroleRef arcroleURI="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:href="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd#wider-narrower" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <definitionLink xlink:role="http://www.esma.europa.eu/xbrl/role/cor/esef_role-999999" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForAmortisationExpense" xlink:label="ifrs-full_AdjustmentsForAmortisationExpense" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForFinanceCosts" xlink:label="ifrs-full_AdjustmentsForFinanceCosts" />
    <loc xlink:type="locator" xlink:href="http://www.esma.europa.eu/taxonomy/2020-03-16/esef_cor.xsd#esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:label="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeferredTaxLiabilities" xlink:label="ifrs-full_DeferredTaxLiabilities" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_NonCurrentPartnershipLiability" xlink:label="persimmonplc_NonCurrentPartnershipLiability" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CountryOfIncorporation" xlink:label="ifrs-full_CountryOfIncorporation" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:label="ifrs-full_DividendsPaidClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MiscellaneousOtherOperatingIncome" xlink:label="ifrs-full_MiscellaneousOtherOperatingIncome" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_NonCurrentSharedEquityLoanReceivables" xlink:label="persimmonplc_NonCurrentSharedEquityLoanReceivables" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentAssets" xlink:label="ifrs-full_CurrentAssets" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_CashFlowsFromNetSettlementOfShareBasedPaymentsClassifiedAsFinancingActivities" xlink:label="persimmonplc_CashFlowsFromNetSettlementOfShareBasedPaymentsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AddressOfRegisteredOfficeOfEntity" xlink:label="ifrs-full_AddressOfRegisteredOfficeOfEntity" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_AdjustmentsForDecreaseInSharedEquityLoanReceivables" xlink:label="persimmonplc_AdjustmentsForDecreaseInSharedEquityLoanReceivables" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitBeforeTaxAnalysedAsLegacyBuildingsProvision" xlink:label="persimmonplc_ProfitBeforeTaxAnalysedAsLegacyBuildingsProvision" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitBeforeTaxAnalysedAsUnderlyingProfitBeforeTax" xlink:label="persimmonplc_ProfitBeforeTaxAnalysedAsUnderlyingProfitBeforeTax" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForProvisions" xlink:label="ifrs-full_AdjustmentsForProvisions" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CapitalRedemptionReserve" xlink:label="ifrs-full_CapitalRedemptionReserve" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_JointVentureNetFundingMovementClassifiedAsInvestingActivities" xlink:label="persimmonplc_JointVentureNetFundingMovementClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForFinanceIncome" xlink:label="ifrs-full_AdjustmentsForFinanceIncome" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:label="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DilutedEarningsLossPerShare" xlink:label="ifrs-full_DilutedEarningsLossPerShare" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitFromOperationsAnalysedAsLegacyBuildingsProvision" xlink:label="persimmonplc_ProfitFromOperationsAnalysedAsLegacyBuildingsProvision" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLiabilities" xlink:label="ifrs-full_CurrentLiabilities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TradeAndOtherCurrentPayables" xlink:label="ifrs-full_TradeAndOtherCurrentPayables" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Liabilities" xlink:label="ifrs-full_Liabilities" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitFromOperationsAnalysedAsImpairmentOfIntangibleAssets" xlink:label="persimmonplc_ProfitFromOperationsAnalysedAsImpairmentOfIntangibleAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BasicEarningsLossPerShare" xlink:label="ifrs-full_BasicEarningsLossPerShare" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForSharebasedPayments" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentTaxAssets" xlink:label="ifrs-full_CurrentTaxAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InvestmentsInSubsidiaries" xlink:label="ifrs-full_InvestmentsInSubsidiaries" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_GrossProfitAnalysedAsLegacyBuildingsProvision" xlink:label="persimmonplc_GrossProfitAnalysedAsLegacyBuildingsProvision" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:label="ifrs-full_InterestPaidClassifiedAsOperatingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsAndGoodwill" xlink:label="ifrs-full_IntangibleAssetsAndGoodwill" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherAdjustmentsForNoncashItems" xlink:label="ifrs-full_OtherAdjustmentsForNoncashItems" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharePremium" xlink:label="ifrs-full_SharePremium" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapital" xlink:label="ifrs-full_IssuedCapital" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xlink:label="ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_CurrentSharedEquityLoanReceivables" xlink:label="persimmonplc_CurrentSharedEquityLoanReceivables" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CostOfSales" xlink:label="ifrs-full_CostOfSales" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" xlink:label="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:label="ifrs-full_InterestReceivedClassifiedAsOperatingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" xlink:label="ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xlink:label="ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinanceCosts" xlink:label="ifrs-full_FinanceCosts" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_CurrentPartnershipLiability" xlink:label="persimmonplc_CurrentPartnershipLiability" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinanceIncome" xlink:label="ifrs-full_FinanceIncome" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitFromOperationsAnalysedAsUnderlyingOperatingProfit" xlink:label="persimmonplc_ProfitFromOperationsAnalysedAsUnderlyingOperatingProfit" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NetAssetsLiabilities" xlink:label="ifrs-full_NetAssetsLiabilities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromExerciseOfOptions" xlink:label="ifrs-full_ProceedsFromExerciseOfOptions" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RetainedEarnings" xlink:label="ifrs-full_RetainedEarnings" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentPayables" xlink:label="ifrs-full_NoncurrentPayables" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GrossProfit" xlink:label="ifrs-full_GrossProfit" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitBeforeTaxAnalysedAsImpairmentOfIntangibleAssets" xlink:label="persimmonplc_ProfitBeforeTaxAnalysedAsImpairmentOfIntangibleAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OperatingExpense" xlink:label="ifrs-full_OperatingExpense" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_OtherNonDistributableReserve" xlink:label="persimmonplc_OtherNonDistributableReserve" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentProvisions" xlink:label="ifrs-full_CurrentProvisions" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForInterestIncome" xlink:label="ifrs-full_AdjustmentsForInterestIncome" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="ifrs-full_ProfitLossFromOperatingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentReceivables" xlink:label="ifrs-full_NoncurrentReceivables" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TradeAndOtherCurrentReceivables" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_CashFlowsFromPaymentOfPartnershipLiabilityClassifiedAsFinancingActivites" xlink:label="persimmonplc_CashFlowsFromPaymentOfPartnershipLiabilityClassifiedAsFinancingActivites" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="ifrs-full_NoncurrentLiabilities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentAssets" xlink:label="ifrs-full_NoncurrentAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_GrossProfitAnalysedAsUnderlyingGrossProfit" xlink:label="persimmonplc_GrossProfitAnalysedAsUnderlyingGrossProfit" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:label="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LegalFormOfEntity" xlink:label="ifrs-full_LegalFormOfEntity" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Inventories" xlink:label="ifrs-full_Inventories" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDepreciationExpense" xlink:label="ifrs-full_AdjustmentsForDepreciationExpense" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_LegalFormOfEntity" order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_Revenue" order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CostOfSales" order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_GrossProfit" order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_GrossProfitAnalysedAsUnderlyingGrossProfit" order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_GrossProfitAnalysedAsLegacyBuildingsProvision" order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_MiscellaneousOtherOperatingIncome" order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_OperatingExpense" order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_ProfitLossFromOperatingActivities" order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_ProfitFromOperationsAnalysedAsUnderlyingOperatingProfit" order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_ProfitFromOperationsAnalysedAsLegacyBuildingsProvision" order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_ProfitFromOperationsAnalysedAsImpairmentOfIntangibleAssets" order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_FinanceIncome" order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_FinanceCosts" order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_ProfitLossBeforeTax" order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_ProfitBeforeTaxAnalysedAsUnderlyingProfitBeforeTax" order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_ProfitBeforeTaxAnalysedAsLegacyBuildingsProvision" order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_ProfitBeforeTaxAnalysedAsImpairmentOfIntangibleAssets" order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_ComprehensiveIncome" order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_BasicEarningsLossPerShare" order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_DilutedEarningsLossPerShare" order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_IntangibleAssetsAndGoodwill" order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_PropertyPlantAndEquipment" order="27" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_InvestmentAccountedForUsingEquityMethod" order="28" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_InvestmentsInSubsidiaries" order="29" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_NonCurrentSharedEquityLoanReceivables" order="30" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_NoncurrentReceivables" order="31" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_DeferredTaxAssets" order="32" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" order="33" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_NoncurrentAssets" order="34" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_Inventories" order="35" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_CurrentSharedEquityLoanReceivables" order="36" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_TradeAndOtherCurrentReceivables" order="37" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CashAndCashEquivalents" order="38" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CurrentTaxAssets" order="39" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CurrentAssets" order="40" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_Assets" order="41" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_NoncurrentPayables" order="42" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_DeferredTaxLiabilities" order="43" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_NonCurrentPartnershipLiability" order="44" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_NoncurrentLiabilities" order="45" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_TradeAndOtherCurrentPayables" order="46" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_CurrentPartnershipLiability" order="47" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CurrentProvisions" order="48" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CurrentLiabilities" order="49" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_Liabilities" order="50" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_NetAssetsLiabilities" order="51" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_IssuedCapital" order="52" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_SharePremium" order="53" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CapitalRedemptionReserve" order="54" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_OtherNonDistributableReserve" order="55" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_RetainedEarnings" order="56" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForIncomeTaxExpense" order="57" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForFinanceIncome" order="58" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForFinanceCosts" order="59" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForDepreciationExpense" order="60" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForAmortisationExpense" order="61" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" order="62" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForProvisions" order="63" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForSharebasedPayments" order="64" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForInterestIncome" order="65" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_OtherAdjustmentsForNoncashItems" order="66" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" order="67" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" order="68" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" order="69" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" order="70" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_AdjustmentsForDecreaseInSharedEquityLoanReceivables" order="71" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CashFlowsFromUsedInOperations" order="72" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_InterestPaidClassifiedAsOperatingActivities" order="73" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_InterestReceivedClassifiedAsOperatingActivities" order="74" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" order="75" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities" order="76" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_JointVentureNetFundingMovementClassifiedAsInvestingActivities" order="77" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="78" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="79" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities" order="80" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" order="81" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_CashFlowsFromPaymentOfPartnershipLiabilityClassifiedAsFinancingActivites" order="82" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_ProceedsFromExerciseOfOptions" order="83" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="persimmonplc_CashFlowsFromNetSettlementOfShareBasedPaymentsClassifiedAsFinancingActivities" order="84" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_DividendsPaidClassifiedAsFinancingActivities" order="85" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities" order="86" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" order="87" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" order="88" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_CountryOfIncorporation" order="89" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="ifrs-full_AddressOfRegisteredOfficeOfEntity" order="90" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
  </definitionLink>
  <definitionLink xlink:role="http://persimmonplc.com/xbrl/2022/roles/Anchoring" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherReserves" xlink:label="ifrs-full_OtherReserves" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_OtherNonDistributableReserve" xlink:label="persimmonplc_OtherNonDistributableReserve" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_JointVentureNetFundingMovementClassifiedAsInvestingActivities" xlink:label="persimmonplc_JointVentureNetFundingMovementClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentPayablesToRelatedParties" xlink:label="ifrs-full_NoncurrentPayablesToRelatedParties" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitBeforeTaxAnalysedAsImpairmentOfIntangibleAssets" xlink:label="persimmonplc_ProfitBeforeTaxAnalysedAsImpairmentOfIntangibleAssets" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_CurrentSharedEquityLoanReceivables" xlink:label="persimmonplc_CurrentSharedEquityLoanReceivables" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitFromOperationsAnalysedAsLegacyBuildingsProvision" xlink:label="persimmonplc_ProfitFromOperationsAnalysedAsLegacyBuildingsProvision" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_SatisfactionOfShareOptionsFromOwnSharesHeld" xlink:label="persimmonplc_SatisfactionOfShareOptionsFromOwnSharesHeld" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_AdjustmentsForDecreaseInSharedEquityLoanReceivables" xlink:label="persimmonplc_AdjustmentsForDecreaseInSharedEquityLoanReceivables" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_GrossProfitAnalysedAsLegacyBuildingsProvision" xlink:label="persimmonplc_GrossProfitAnalysedAsLegacyBuildingsProvision" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GrossProfit" xlink:label="ifrs-full_GrossProfit" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_CashFlowsFromNetSettlementOfShareBasedPaymentsClassifiedAsFinancingActivities" xlink:label="persimmonplc_CashFlowsFromNetSettlementOfShareBasedPaymentsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_CurrentPartnershipLiability" xlink:label="persimmonplc_CurrentPartnershipLiability" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitBeforeTaxAnalysedAsUnderlyingProfitBeforeTax" xlink:label="persimmonplc_ProfitBeforeTaxAnalysedAsUnderlyingProfitBeforeTax" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLoss" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_CashFlowsFromPaymentOfPartnershipLiabilityClassifiedAsFinancingActivites" xlink:label="persimmonplc_CashFlowsFromPaymentOfPartnershipLiabilityClassifiedAsFinancingActivites" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_GrossProfitAnalysedAsUnderlyingGrossProfit" xlink:label="persimmonplc_GrossProfitAnalysedAsUnderlyingGrossProfit" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InflowsOfCashFromInvestingActivities" xlink:label="ifrs-full_InflowsOfCashFromInvestingActivities" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitFromOperationsAnalysedAsUnderlyingOperatingProfit" xlink:label="persimmonplc_ProfitFromOperationsAnalysedAsUnderlyingOperatingProfit" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitBeforeTaxAnalysedAsLegacyBuildingsProvision" xlink:label="persimmonplc_ProfitBeforeTaxAnalysedAsLegacyBuildingsProvision" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLoss" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_NonCurrentPartnershipLiability" xlink:label="persimmonplc_NonCurrentPartnershipLiability" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_ProfitFromOperationsAnalysedAsImpairmentOfIntangibleAssets" xlink:label="persimmonplc_ProfitFromOperationsAnalysedAsImpairmentOfIntangibleAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="ifrs-full_ProfitLossFromOperatingActivities" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_NonCurrentSharedEquityLoanReceivables" xlink:label="persimmonplc_NonCurrentSharedEquityLoanReceivables" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ChangesInEquity" xlink:label="ifrs-full_ChangesInEquity" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_GrossProfit" xlink:to="persimmonplc_GrossProfitAnalysedAsUnderlyingGrossProfit" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_GrossProfit" xlink:to="persimmonplc_GrossProfitAnalysedAsLegacyBuildingsProvision" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="persimmonplc_ProfitFromOperationsAnalysedAsUnderlyingOperatingProfit" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="persimmonplc_ProfitFromOperationsAnalysedAsLegacyBuildingsProvision" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="persimmonplc_ProfitFromOperationsAnalysedAsImpairmentOfIntangibleAssets" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="persimmonplc_ProfitBeforeTaxAnalysedAsUnderlyingProfitBeforeTax" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="persimmonplc_ProfitBeforeTaxAnalysedAsLegacyBuildingsProvision" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="persimmonplc_ProfitBeforeTaxAnalysedAsImpairmentOfIntangibleAssets" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="persimmonplc_NonCurrentSharedEquityLoanReceivables" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="persimmonplc_CurrentSharedEquityLoanReceivables" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentPayablesToRelatedParties" xlink:to="persimmonplc_NonCurrentPartnershipLiability" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:to="persimmonplc_CurrentPartnershipLiability" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_OtherReserves" xlink:to="persimmonplc_OtherNonDistributableReserve" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_ChangesInEquity" xlink:to="persimmonplc_SatisfactionOfShareOptionsFromOwnSharesHeld" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:to="persimmonplc_AdjustmentsForDecreaseInSharedEquityLoanReceivables" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_InflowsOfCashFromInvestingActivities" xlink:to="persimmonplc_JointVentureNetFundingMovementClassifiedAsInvestingActivities" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="persimmonplc_CashFlowsFromPaymentOfPartnershipLiabilityClassifiedAsFinancingActivites" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="persimmonplc_CashFlowsFromNetSettlementOfShareBasedPaymentsClassifiedAsFinancingActivities" order="1" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" priority="1" />
  </definitionLink>
  <definitionLink xlink:role="http://persimmonplc.com/xbrl/2022/roles/StatementOfChangesInEquity" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityAbstract" xlink:label="ifrs-full_StatementOfChangesInEquityAbstract" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DividendsPaid" xlink:label="ifrs-full_DividendsPaid" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_OtherNonDistribuatbleReserveMember" xlink:label="persimmonplc_OtherNonDistribuatbleReserveMember" />
    <loc xlink:type="locator" xlink:href="persimmonplc-2021-12-31.xsd#persimmonplc_SatisfactionOfShareOptionsFromOwnSharesHeld" xlink:label="persimmonplc_SatisfactionOfShareOptionsFromOwnSharesHeld" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssueOfEquity" xlink:label="ifrs-full_IssueOfEquity" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RetainedEarningsMember" xlink:label="ifrs-full_RetainedEarningsMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapitalMember" xlink:label="ifrs-full_IssuedCapitalMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharePremiumMember" xlink:label="ifrs-full_SharePremiumMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:label="ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OrdinarySharesMember" xlink:label="ifrs-full_OrdinarySharesMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="ifrs-full_ComponentsOfEquityAxis" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityTable" xlink:label="ifrs-full_StatementOfChangesInEquityTable" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions" xlink:label="ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfOrdinarySharesAxis" xlink:label="ifrs-full_ClassesOfOrdinarySharesAxis" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityMember" xlink:label="ifrs-full_EquityMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CapitalRedemptionReserveMember" xlink:label="ifrs-full_CapitalRedemptionReserveMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityLineItems" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="ifrs-full_StatementOfChangesInEquityTable" order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" priority="1" xbrldt:contextElement="scenario" xbrldt:closed="true" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityTable" xlink:to="ifrs-full_ComponentsOfEquityAxis" order="0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_EquityMember" order="0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_EquityMember" xlink:to="persimmonplc_OtherNonDistribuatbleReserveMember" order="0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_IssuedCapitalMember" order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_RetainedEarningsMember" order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_SharePremiumMember" order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityTable" xlink:to="ifrs-full_ClassesOfOrdinarySharesAxis" order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_ClassesOfOrdinarySharesAxis" xlink:to="ifrs-full_CapitalRedemptionReserveMember" order="0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_CapitalRedemptionReserveMember" xlink:to="ifrs-full_OrdinarySharesMember" order="0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="ifrs-full_StatementOfChangesInEquityLineItems" order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_Equity" order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_ProfitLoss" order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_OtherComprehensiveIncome" order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_DividendsPaid" order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_IssueOfEquity" order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" order="31" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" order="37" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions" order="43" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
    <definitionArc xlink:type="arc" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="persimmonplc_SatisfactionOfShareOptionsFromOwnSharesHeld" order="49" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" priority="1" />
  </definitionLink>
</linkbase>