Brexit timeline
The UK formally notified the European Council of its decision to withdraw from the EU on 29 March 2017. This triggered a two-year timeframe to negotiate a withdrawal agreement. Our timeline illustrates what has happened to date and how we expect the process to unfold going forward.
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31 Dec
Transition period due to end
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9 Sep
UK Government publishes Internal Market Bill
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30 June
Deadline for extending the transmission period passes
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31 Jan
UK leaves the EU
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23 Jan
European Union (Withdrawal Agreement) Bill becomes law
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19 Dec
European Union (Withdrawal Agreement) Bill published
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12 Dec
General Election results in Conservative Party majority
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28 Oct
EU agrees to Brexit extension until 31 January 2020
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17-18 Oct
European Council Summit
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14 Oct
Queen's speech
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24-26 Aug
G7 Summit in Biarritz, France
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24 Jul
Boris Johnson takes over as UK Prime Minister
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10 Apr
The UK and the EU27 agree to extend A50 until 31 October 2019
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23 May
The UK votes in the European Parliament elections
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29 Mar
Government loses ‘Meaningful Vote 3’
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21 Mar
EU27 leaders grant short extension of A50 (to 12 April or 22 May)
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20 Mar
Prime Minister writes to European Council asking to extend Article 50 until 30 June
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13 Mar
Parliament votes to rule out a ‘no deal’ Brexit
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12 Mar
Government loses ‘Meaningful Vote 2’ on Brexit deal
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15 Jan
Government loses ‘Meaningful Vote’ on Brexit deal
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9-15 Jan
Five days of Brexit debates on the EU Withdrawal Agreement
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13 Dec
Special meeting of European Council reconfirms conclusions of 25 November
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11 Dec
ECJ rules that UK can unilaterally revoke Article 50
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10 Dec
Prime Minister delays planned meaningful vote on Brexit deal
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4 Dec
Government found in contempt of Parliament over handling of Brexit legal advice
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25 Nov
EU27 leaders endorse draft Brexit withdrawal agreement and approve draft political declaration on future EU-UK relations
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14 Nov
Government publishes draft Brexit withdrawal agreement
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18 Oct
European Council meeting with an aim to finalising the terms of withdrawal and the future EU-UK relationship
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30 Sep–3 Oct
Conservative Party annual conference
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23-26 Sep
Labour Party annual conference
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20 Sep
EU leaders meet with Theresa May at informal summit in Austria
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4-13 Sep
UK parliament returns from recess
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Aug
Summer recess
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12 Jul
Brexit white paper on financial services
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26 Jun 2018
EU (Withdrawal) Bill Royal Assent
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End of Mar
End of Phase 2 negotiations: UK and EU agree terms for transition/implementation period
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Mar
House of Lords committee stage of the EU (Withdrawal) Bill completed
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23 Mar
European Council publishes new draft guidelines on the framework for future EU-UK relations
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14 Mar
European Parliament publishes a resolution on concerns and priorities for the Brexit deal
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8 Dec
Phase 1 negotiations conclude
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29 Mar
Article 50 triggered
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17 Jan
UK Prime Minister sets out ‘Plan for Britain’
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23 Jun
UK referendum vote to leave EU
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Deborah Newberry
Head of Corporate and Public Affairs - London
+44 20 7667 9508
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Joanna Manthorpe
Corporate Affairs Lawyer - London
+44 20 7667 9863