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    <label xlink:label="label_halm_IncomeStatementAnalysisAxis" id="halm_IncomeStatementAnalysisAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Income Statement Analysis</label>
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    <label xlink:label="label_halm_halmProfitOnDisposalOfOperations_Standard" id="halm_halmProfitOnDisposalOfOperations_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Profit on disposal of operations</label>
    <label xlink:label="label_halm_ifrs-fullFinanceCosts_Standard" id="halm_ifrs-fullFinanceCosts_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Finance expense</label>
    <label xlink:label="label_halm_ifrs-fullProfitLossBeforeTax_Standard" id="halm_ifrs-fullProfitLossBeforeTax_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Profit before taxation</label>
    <label xlink:label="label_halm_ifrs-fullIncomeTaxExpenseContinuingOperations_Standard" id="halm_ifrs-fullIncomeTaxExpenseContinuingOperations_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Taxation</label>
    <label xlink:label="label_halm_ifrs-fullProfitLoss_Standard" id="halm_ifrs-fullProfitLoss_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Profit for the year</label>
    <label xlink:label="label_halm_ifrs-fullProfitLossAttributableToOwnersOfParent_Standard" id="halm_ifrs-fullProfitLossAttributableToOwnersOfParent_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Owners of the parent</label>
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    <label xlink:label="label_halm_ifrs-fullBasicEarningsLossPerShare_Total" id="halm_ifrs-fullBasicEarningsLossPerShare_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Basic earnings per share</label>
    <label xlink:label="label_halm_ifrs-fullDilutedEarningsLossPerShare_Total" id="halm_ifrs-fullDilutedEarningsLossPerShare_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Diluted earnings per share</label>
    <label xlink:label="label_halm_halmPaidAndProposedM_Standard" id="halm_halmPaidAndProposedM_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Paid and proposed (£m)</label>
    <label xlink:label="label_halm_halmPaidAndProposedPerShare_Standard" id="halm_halmPaidAndProposedPerShare_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Paid and proposed per share</label>
    <label xlink:label="label_StatementOfComprehensiveIncomeAbstract" id="StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Statement of comprehensive income</label>
    <label xlink:label="label_halm_ifrs-fullOtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_Standard" id="halm_ifrs-fullOtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Actuarial (losses)/gains on defined benefit pension plans</label>
    <label xlink:label="label_halm_ifrs-fullIncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss_Standard" id="halm_ifrs-fullIncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Tax relating to components of other comprehensive income that will not be reclassified</label>
    <label xlink:label="label_halm_halmChangesInTheFairValueOfEquityInvestmentsAtFairValueThroughOtherComprehensiveIncome_Standard" id="halm_halmChangesInTheFairValueOfEquityInvestmentsAtFairValueThroughOtherComprehensiveIncome_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Changes in the fair value of equity investments at fair value through other comprehensive income</label>
    <label xlink:label="label_halm_ifrs-fullOtherComprehensiveIncomeBeforeTaxCashFlowHedges_Standard" id="halm_ifrs-fullOtherComprehensiveIncomeBeforeTaxCashFlowHedges_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Effective portion of changes in fair value of cash flow hedges</label>
    <label xlink:label="label_halm_ifrs-fullIncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome_NegatedLabel" id="halm_ifrs-fullIncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome_NegatedLabel" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Deferred tax in respect of cash flow hedges accounted for in the hedging reserve</label>
    <label xlink:label="label_halm_halmExchangeLossesGainsOnTranslationOfForeignOperationsAndNetInvestmentHedge_Standard" id="halm_halmExchangeLossesGainsOnTranslationOfForeignOperationsAndNetInvestmentHedge_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Exchange (losses)/gains on translation of foreign operations and net investment hedge</label>
    <label xlink:label="label_halm_ifrs-fullOtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation_Total" id="halm_ifrs-fullOtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Exchange (gains)/losses on translation of foreign operations recycled to the income statement on disposal</label>
    <label xlink:label="label_halm_ifrs-fullOtherComprehensiveIncome_Standard" id="halm_ifrs-fullOtherComprehensiveIncome_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other comprehensive (expense)/income for the year</label>
    <label xlink:label="label_halm_ifrs-fullComprehensiveIncome_Standard" id="halm_ifrs-fullComprehensiveIncome_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Total comprehensive income for the year</label>
    <label xlink:label="label_halm_ifrs-fullComprehensiveIncomeAttributableToOwnersOfParent_Standard" id="halm_ifrs-fullComprehensiveIncomeAttributableToOwnersOfParent_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Attributable to Owners of the parent</label>
    <label xlink:label="label_halm_ifrs-fullComprehensiveIncomeAttributableToNoncontrollingInterests_Standard" id="halm_ifrs-fullComprehensiveIncomeAttributableToNoncontrollingInterests_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Non-controlling interests</label>
    <label xlink:label="label_StatementOfFinancialPositionAbstract" id="StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Statement of financial position</label>
    <label xlink:label="label_halm_ifrs-fullIntangibleAssetsOtherThanGoodwill_Standard" id="halm_ifrs-fullIntangibleAssetsOtherThanGoodwill_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other intangible assets</label>
    <label xlink:label="label_halm_ifrs-fullInvestmentsInSubsidiariesJointVenturesAndAssociates_Standard" id="halm_ifrs-fullInvestmentsInSubsidiariesJointVenturesAndAssociates_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Interest in associates and other investments</label>
    <label xlink:label="label_halm_ifrs-fullNoncurrentRecognisedAssetsDefinedBenefitPlan_Standard" id="halm_ifrs-fullNoncurrentRecognisedAssetsDefinedBenefitPlan_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Retirement benefit asset</label>
    <label xlink:label="label_halm_ifrs-fullCurrentTaxAssetsNoncurrent_Standard" id="halm_ifrs-fullCurrentTaxAssetsNoncurrent_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Tax receivable</label>
    <label xlink:label="label_halm_ifrs-fullDeferredTaxAssets_Standard" id="halm_ifrs-fullDeferredTaxAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Deferred tax asset</label>
    <label xlink:label="label_halm_ifrs-fullNoncurrentAssets_Standard" id="halm_ifrs-fullNoncurrentAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Total non-assets</label>
    <label xlink:label="label_halm_ifrs-fullInventories_Standard" id="halm_ifrs-fullInventories_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Inventories</label>
    <label xlink:label="label_halm_ifrs-fullTradeAndOtherCurrentReceivables_Standard" id="halm_ifrs-fullTradeAndOtherCurrentReceivables_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Trade and other receivables</label>
    <label xlink:label="label_halm_ifrs-fullCurrentTaxAssetsCurrent_Standard" id="halm_ifrs-fullCurrentTaxAssetsCurrent_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Tax receivable</label>
    <label xlink:label="label_halm_ifrs-fullCash_Total" id="halm_ifrs-fullCash_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Cash and bank balances</label>
    <label xlink:label="label_halm_ifrs-fullDerivativeFinancialAssets_Standard" id="halm_ifrs-fullDerivativeFinancialAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Derivative financial instruments</label>
    <label xlink:label="label_halm_ifrs-fullTradeAndOtherCurrentPayables_Standard" id="halm_ifrs-fullTradeAndOtherCurrentPayables_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Trade and other payables</label>
    <label xlink:label="label_halm_ifrs-fullShorttermBorrowings_Standard" id="halm_ifrs-fullShorttermBorrowings_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Borrowings</label>
    <label xlink:label="label_halm_ifrs-fullCurrentLeaseLiabilities_Standard" id="halm_ifrs-fullCurrentLeaseLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Lease liabilities</label>
    <label xlink:label="label_halm_ifrs-fullOtherShorttermProvisions_Standard" id="halm_ifrs-fullOtherShorttermProvisions_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Provisions</label>
    <label xlink:label="label_halm_ifrs-fullCurrentTaxLiabilitiesCurrent_Standard" id="halm_ifrs-fullCurrentTaxLiabilitiesCurrent_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Tax liabilities</label>
    <label xlink:label="label_halm_ifrs-fullDerivativeFinancialLiabilities_Standard" id="halm_ifrs-fullDerivativeFinancialLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Derivative financial instruments</label>
    <label xlink:label="label_halm_ifrs-fullCurrentAssetsLiabilities_Standard" id="halm_ifrs-fullCurrentAssetsLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net current assets</label>
    <label xlink:label="label_halm_ifrs-fullLongtermBorrowings_Standard" id="halm_ifrs-fullLongtermBorrowings_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Borrowings</label>
    <label xlink:label="label_halm_ifrs-fullNoncurrentLeaseLiabilities_Standard" id="halm_ifrs-fullNoncurrentLeaseLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Lease liabilities</label>
    <label xlink:label="label_halm_ifrs-fullNoncurrentRecognisedLiabilitiesDefinedBenefitPlan_Standard" id="halm_ifrs-fullNoncurrentRecognisedLiabilitiesDefinedBenefitPlan_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Retirement benefit obligations</label>
    <label xlink:label="label_halm_ifrs-fullNoncurrentPayables_Standard" id="halm_ifrs-fullNoncurrentPayables_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Trade and other payables</label>
    <label xlink:label="label_halm_ifrs-fullOtherLongtermProvisions_Standard" id="halm_ifrs-fullOtherLongtermProvisions_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Provisions</label>
    <label xlink:label="label_halm_ifrs-fullNetAssetsLiabilities_Standard" id="halm_ifrs-fullNetAssetsLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net assets</label>
    <label xlink:label="label_halm_ifrs-fullIssuedCapital_Standard" id="halm_ifrs-fullIssuedCapital_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Share capital</label>
    <label xlink:label="label_halm_ifrs-fullSharePremium_Standard" id="halm_ifrs-fullSharePremium_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Share premium account</label>
    <label xlink:label="label_halm_ifrs-fullTreasuryShares_Standard" id="halm_ifrs-fullTreasuryShares_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Own shares</label>
    <label xlink:label="label_halm_ifrs-fullReserveOfCashFlowHedges_Standard" id="halm_ifrs-fullReserveOfCashFlowHedges_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Hedging reserve</label>
    <label xlink:label="label_halm_ifrs-fullReserveOfExchangeDifferencesOnTranslation_Standard" id="halm_ifrs-fullReserveOfExchangeDifferencesOnTranslation_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Translation reserve</label>
    <label xlink:label="label_halm_ifrs-fullEquityAttributableToOwnersOfParent_Standard" id="halm_ifrs-fullEquityAttributableToOwnersOfParent_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Equity attributable to owners of the Company</label>
    <label xlink:label="label_halm_ifrs-fullEquity_Standard" id="halm_ifrs-fullEquity_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">At 31 March 2022</label>
    <label xlink:label="label_StatementOfChangesInEquityAbstract" id="StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Statement of changes in equity</label>
    <label xlink:label="label_halm_ifrs-fullDividendsPaid_Standard" id="halm_ifrs-fullDividendsPaid_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Dividends paid</label>
    <label xlink:label="label_halm_ifrs-fullIncreaseDecreaseThroughSharebasedPaymentTransactions_Standard" id="halm_ifrs-fullIncreaseDecreaseThroughSharebasedPaymentTransactions_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Share-based payment charge</label>
    <label xlink:label="label_halm_halmDeferredTaxOnShareBased_Standard" id="halm_halmDeferredTaxOnShareBased_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Deferred tax on share-based</label>
    <label xlink:label="label_halm_halmExcessTaxDeductionsRelatedToShareBasedPaymentsOnExercisedAwards_Standard" id="halm_halmExcessTaxDeductionsRelatedToShareBasedPaymentsOnExercisedAwards_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Excess tax deductions related to share-based payments on exercised awards</label>
    <label xlink:label="label_halm_ifrs-fullPurchaseOfTreasuryShares_Standard" id="halm_ifrs-fullPurchaseOfTreasuryShares_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Purchase of own shares</label>
    <label xlink:label="label_halm_halmPerformanceSharePlanAwards_Standard" id="halm_halmPerformanceSharePlanAwards_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Performance share plan awards</label>
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    <label xlink:label="label_halm_ifrs-fullPaymentsForDevelopmentProjectExpenditure_Standard" id="halm_ifrs-fullPaymentsForDevelopmentProjectExpenditure_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Development costs capitalised</label>
    <label xlink:label="label_halm_ifrs-fullInterestReceivedClassifiedAsInvestingActivities_Standard" id="halm_ifrs-fullInterestReceivedClassifiedAsInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Interest received</label>
    <label xlink:label="label_halm_ifrs-fullCashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_Standard" id="halm_ifrs-fullCashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Acquisition of businesses, net of cash acquired</label>
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