<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>227</ContextCount>
  <ElementCount>282</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>70</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>10</UnitCount>
  <MyReports>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00090 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00100 - Statement - Unaudited Condensed Consolidated Interim Statements of Income and Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/StatementUnauditedCondensedConsolidatedInterimStatementsOfIncomeAndComprehensiveIncome</Role>
      <ShortName>Unaudited Condensed Consolidated Interim Statements of Income and Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00200 - Statement - Unaudited Condensed Consolidated Interim Statements of Financial Position</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/StatementUnauditedCondensedConsolidatedInterimStatementsOfFinancialPosition</Role>
      <ShortName>Unaudited Condensed Consolidated Interim Statements of Financial Position</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00300 - Statement - Unaudited Condensed Consolidated Interim Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/StatementUnauditedCondensedConsolidatedInterimStatementsOfCashFlows</Role>
      <ShortName>Unaudited Condensed Consolidated Interim Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00400 - Statement - Consolidated Statement of Changes in Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/StatementConsolidatedStatementOfChangesInEquity</Role>
      <ShortName>Consolidated Statement of Changes in Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>10101 - Disclosure - General information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureGeneralInformation</Role>
      <ShortName>General information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>10201 - Disclosure - Material accounting policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureMaterialAccountingPolicies</Role>
      <ShortName>Material accounting policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>10301 - Disclosure - Critical accounting judgements and key sources of estimation uncertainty</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureCriticalAccountingJudgementsAndKeySourcesOfEstimationUncertainty</Role>
      <ShortName>Critical accounting judgements and key sources of estimation uncertainty</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>10401 - Disclosure - Expenses by nature</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureExpensesByNature</Role>
      <ShortName>Expenses by nature</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>10501 - Disclosure - Share-based payments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureShareBasedPayments</Role>
      <ShortName>Share-based payments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>10601 - Disclosure - Other operating (expense)/income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureOtherOperatingExpenseIncome</Role>
      <ShortName>Other operating (expense)/income</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>10701 - Disclosure - Income tax credit</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureIncomeTaxCredit</Role>
      <ShortName>Income tax credit</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>10801 - Disclosure - Finance income/(costs)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinanceIncomeCosts</Role>
      <ShortName>Finance income/(costs)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>10901 - Disclosure - Earnings/(loss) per share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureEarningsLossPerShare</Role>
      <ShortName>Earnings/(loss) per share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>11001 - Disclosure - Share capital and reserves</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureShareCapitalAndReserves</Role>
      <ShortName>Share capital and reserves</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>11101 - Disclosure - Trade and other receivables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureTradeAndOtherReceivables</Role>
      <ShortName>Trade and other receivables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>11201 - Disclosure - Trade and other payables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureTradeAndOtherPayables</Role>
      <ShortName>Trade and other payables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>11301 - Disclosure - Warrants</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureWarrants</Role>
      <ShortName>Warrants</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>11401 - Disclosure - Financial liabilities at fair value through profit and loss</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialLiabilitiesAtFairValueThroughProfitAndLoss</Role>
      <ShortName>Financial liabilities at fair value through profit and loss</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>11501 - Disclosure - Financial instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialInstruments</Role>
      <ShortName>Financial instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>11601 - Disclosure - Financial risk management and impairment of financial assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialRiskManagementAndImpairmentOfFinancialAssets</Role>
      <ShortName>Financial risk management and impairment of financial assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>11701 - Disclosure - Related party transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureRelatedPartyTransactions</Role>
      <ShortName>Related party transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>11801 - Disclosure - Non adjusting events after the reporting period</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureNonAdjustingEventsAfterReportingPeriod</Role>
      <ShortName>Non adjusting events after the reporting period</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>20202 - Disclosure - Material accounting policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureMaterialAccountingPoliciesPolicies</Role>
      <ShortName>Material accounting policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>30303 - Disclosure - Critical accounting judgements and key sources of estimation uncertainty (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureCriticalAccountingJudgementsAndKeySourcesOfEstimationUncertaintyTables</Role>
      <ShortName>Critical accounting judgements and key sources of estimation uncertainty (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureCriticalAccountingJudgementsAndKeySourcesOfEstimationUncertainty</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>30403 - Disclosure - Expenses by nature (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureExpensesByNatureTables</Role>
      <ShortName>Expenses by nature (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureExpensesByNature</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>30503 - Disclosure - Share-based payments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureShareBasedPaymentsTables</Role>
      <ShortName>Share-based payments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureShareBasedPayments</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>30603 - Disclosure - Other operating (expense)/income (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureOtherOperatingExpenseIncomeTables</Role>
      <ShortName>Other operating (expense)/income (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureOtherOperatingExpenseIncome</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>30703 - Disclosure - Income tax credit (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureIncomeTaxCreditTables</Role>
      <ShortName>Income tax credit (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureIncomeTaxCredit</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>30803 - Disclosure - Finance income/(costs) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinanceIncomeCostsTables</Role>
      <ShortName>Finance income/(costs) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureFinanceIncomeCosts</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>30903 - Disclosure - Earnings/(loss) per share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureEarningsLossPerShareTables</Role>
      <ShortName>Earnings/(loss) per share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureEarningsLossPerShare</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>31003 - Disclosure - Share capital and reserves (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureShareCapitalAndReservesTables</Role>
      <ShortName>Share capital and reserves (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureShareCapitalAndReserves</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>31103 - Disclosure - Trade and other receivables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureTradeAndOtherReceivablesTables</Role>
      <ShortName>Trade and other receivables (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureTradeAndOtherReceivables</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>31203 - Disclosure - Trade and other payables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureTradeAndOtherPayablesTables</Role>
      <ShortName>Trade and other payables (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureTradeAndOtherPayables</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>31303 - Disclosure - Warrants (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureWarrantsTables</Role>
      <ShortName>Warrants (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureWarrants</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>31403 - Disclosure - Financial liabilities at fair value through profit and loss (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialLiabilitiesAtFairValueThroughProfitAndLossTables</Role>
      <ShortName>Financial liabilities at fair value through profit and loss (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureFinancialLiabilitiesAtFairValueThroughProfitAndLoss</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>31503 - Disclosure - Financial instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialInstrumentsTables</Role>
      <ShortName>Financial instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureFinancialInstruments</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>31603 - Disclosure - Financial risk management and impairment of financial assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialRiskManagementAndImpairmentOfFinancialAssetsTables</Role>
      <ShortName>Financial risk management and impairment of financial assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureFinancialRiskManagementAndImpairmentOfFinancialAssets</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>31703 - Disclosure - Related party transactions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureRelatedPartyTransactionsTables</Role>
      <ShortName>Related party transactions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureRelatedPartyTransactions</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>40201 - Disclosure - Material accounting policies - Going concern (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureMaterialAccountingPoliciesGoingConcernDetails</Role>
      <ShortName>Material accounting policies - Going concern (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>40301 - Disclosure - Critical accounting judgements and key sources of estimation uncertainty (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureCriticalAccountingJudgementsAndKeySourcesOfEstimationUncertaintyDetails</Role>
      <ShortName>Critical accounting judgements and key sources of estimation uncertainty (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureCriticalAccountingJudgementsAndKeySourcesOfEstimationUncertaintyTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>40302 - Disclosure - Critical accounting judgements and key sources of estimation uncertainty - Fair value option (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureCriticalAccountingJudgementsAndKeySourcesOfEstimationUncertaintyFairValueOptionDetails</Role>
      <ShortName>Critical accounting judgements and key sources of estimation uncertainty - Fair value option (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>40401 - Disclosure - Expenses by nature (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureExpensesByNatureDetails</Role>
      <ShortName>Expenses by nature (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureExpensesByNatureTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>40501 - Disclosure - Share-based payments - Fair value of options granted (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureShareBasedPaymentsFairValueOfOptionsGrantedDetails</Role>
      <ShortName>Share-based payments - Fair value of options granted (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>40502 - Disclosure - Share-based payments - Movements in the number and weighted average exercise price of share options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureShareBasedPaymentsMovementsInNumberAndWeightedAverageExercisePriceOfShareOptionsDetails</Role>
      <ShortName>Share-based payments - Movements in the number and weighted average exercise price of share options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>40503 - Disclosure - Share-based payments - Additional information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureShareBasedPaymentsAdditionalInformationDetails</Role>
      <ShortName>Share-based payments - Additional information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>40601 - Disclosure - Other operating (expense)/income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureOtherOperatingExpenseIncomeDetails</Role>
      <ShortName>Other operating (expense)/income (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureOtherOperatingExpenseIncomeTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>40701 - Disclosure - Income tax credit - Components of income tax expense (benefit) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureIncomeTaxCreditComponentsOfIncomeTaxExpenseBenefitDetails</Role>
      <ShortName>Income tax credit - Components of income tax expense (benefit) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>40702 - Disclosure - Income tax credit (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureIncomeTaxCreditDetails</Role>
      <ShortName>Income tax credit (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureIncomeTaxCreditTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>40801 - Disclosure - Finance income/(costs) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinanceIncomeCostsDetails</Role>
      <ShortName>Finance income/(costs) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureFinanceIncomeCostsTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>40901 - Disclosure - Earnings/(loss) per share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureEarningsLossPerShareDetailss</Role>
      <ShortName>Earnings/(loss) per share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureEarningsLossPerShareTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>40902 - Disclosure - Earnings/(loss) per share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureEarningsLossPerShareDetails</Role>
      <ShortName>Earnings/(loss) per share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureEarningsLossPerShareTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>41001 - Disclosure - Share capital and reserves - Allotted, called up and fully paid shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureShareCapitalAndReservesAllottedCalledUpAndFullyPaidSharesDetails</Role>
      <ShortName>Share capital and reserves - Allotted, called up and fully paid shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>41002 - Disclosure - Share capital and reserves - Ordinary shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureShareCapitalAndReservesOrdinarySharesDetails</Role>
      <ShortName>Share capital and reserves - Ordinary shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>41003 - Disclosure - Share capital and reserves - Nature and purpose of other reserves (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureShareCapitalAndReservesNatureAndPurposeOfOtherReservesDetails</Role>
      <ShortName>Share capital and reserves - Nature and purpose of other reserves (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>41101 - Disclosure - Trade and other receivables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureTradeAndOtherReceivablesDetails</Role>
      <ShortName>Trade and other receivables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureTradeAndOtherReceivablesTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>41201 - Disclosure - Trade and other payables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureTradeAndOtherPayablesDetails</Role>
      <ShortName>Trade and other payables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureTradeAndOtherPayablesTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>41301 - Disclosure - Warrants - Warrants were issued but not exercised (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureWarrantsWarrantsWereIssuedButNotExercisedDetails</Role>
      <ShortName>Warrants - Warrants were issued but not exercised (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>41302 - Disclosure - Warrants - Change in fair value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureWarrantsChangeInFairValueDetails</Role>
      <ShortName>Warrants - Change in fair value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>41303 - Disclosure - Warrants - Warrants recognized within equity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureWarrantsWarrantsRecognizedWithinEquityDetails</Role>
      <ShortName>Warrants - Warrants recognized within equity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>41304 - Disclosure - Warrants - Additional information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureWarrantsAdditionalInformationDetails</Role>
      <ShortName>Warrants - Additional information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>41401 - Disclosure - Financial liabilities at fair value through profit and loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialLiabilitiesAtFairValueThroughProfitAndLossDetails</Role>
      <ShortName>Financial liabilities at fair value through profit and loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureFinancialLiabilitiesAtFairValueThroughProfitAndLossTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>41402 - Disclosure - Financial liabilities at fair value through profit and loss - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialLiabilitiesAtFairValueThroughProfitAndLossAdditionalInformationDetails</Role>
      <ShortName>Financial liabilities at fair value through profit and loss - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>41501 - Disclosure - Financial instruments - Financial liabilities at fair value through profit or loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialInstrumentsFinancialLiabilitiesAtFairValueThroughProfitOrLossDetails</Role>
      <ShortName>Financial instruments - Financial liabilities at fair value through profit or loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>41502 - Disclosure - Financial instruments - Fair value of the convertible senior secured notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialInstrumentsFairValueOfConvertibleSeniorSecuredNotesDetails</Role>
      <ShortName>Financial instruments - Fair value of the convertible senior secured notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>41503 - Disclosure - Financial instruments - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialInstrumentsAdditionalInformationDetails</Role>
      <ShortName>Financial instruments - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>41601 - Disclosure - Financial risk management and impairment of financial assets - Credit risk and impairment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialRiskManagementAndImpairmentOfFinancialAssetsCreditRiskAndImpairmentDetails</Role>
      <ShortName>Financial risk management and impairment of financial assets - Credit risk and impairment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>41602 - Disclosure - Financial risk management and impairment of financial assets - Maturity analysis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureFinancialRiskManagementAndImpairmentOfFinancialAssetsMaturityAnalysisDetails</Role>
      <ShortName>Financial risk management and impairment of financial assets - Maturity analysis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>41701 - Disclosure - Related party transactions - Key management personnel compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureRelatedPartyTransactionsKeyManagementPersonnelCompensationDetails</Role>
      <ShortName>Related party transactions - Key management personnel compensation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>41702 - Disclosure - Related party transactions - Summary of transactions with other related parties (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureRelatedPartyTransactionsSummaryOfTransactionsWithOtherRelatedPartiesDetails</Role>
      <ShortName>Related party transactions - Summary of transactions with other related parties (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>41703 - Disclosure - Related party transactions - Transactions with Mudrick capital and Stephen Fitzpatrick (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureRelatedPartyTransactionsTransactionsWithMudrickCapitalAndStephenFitzpatrickDetails</Role>
      <ShortName>Related party transactions - Transactions with Mudrick capital and Stephen Fitzpatrick (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="evtl-20250630xex99d3.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>41801 - Disclosure - Non adjusting events after the reporting period (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.deitaxonomy.com/role/DisclosureNonAdjustingEventsAfterReportingPeriodDetails</Role>
      <ShortName>Non adjusting events after the reporting period (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.deitaxonomy.com/role/DisclosureNonAdjustingEventsAfterReportingPeriod</ParentRole>
      <Position>72</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>evtl-20250630.xsd</File>
    <File>evtl-20250630_cal.xml</File>
    <File>evtl-20250630_def.xml</File>
    <File>evtl-20250630_lab.xml</File>
    <File>evtl-20250630_pre.xml</File>
    <File doctype="EX-99.3" isDefinitelyFs="true" isIfrs="true" isUsgaap="true" original="evtl-20250630xex99d3.htm">evtl-20250630xex99d3.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="8">http://xbrl.sec.gov/dei/2024</BaseTaxonomy>
    <BaseTaxonomy items="520">https://xbrl.ifrs.org/taxonomy/2024-03-27/ifrs-full</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
