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.

  • 23 Jun

    UK referendum vote to leave EU

  • 17 Jan

    UK Prime Minister sets out ‘Plan for Britain’

  • 29 Mar

    Article 50 triggered

  • 8 Dec

    Phase 1 negotiations conclude

  • 14 Mar

    European Parliament publishes a resolution on concerns and priorities for the Brexit deal

  • 23 Mar

    European Council publishes new draft guidelines on the framework for future EU-UK relations

  • Mar

    House of Lords committee stage of the EU (Withdrawal) Bill completed

  • End of Mar

    End of Phase 2 negotiations: UK and EU agree terms for transition/implementation period

  • 20 Jun

    House of Lords EU (Withdrawal) Bill stage completed and passed to UK Parliament

  • Jun

    UK parliament passes the EU (Withdrawal) Bill

  • 12 Jul

    Brexit white paper on financial services

  • Aug

    Summer recess

  • 4-13 Sep

    UK parliament returns from recess

  • 20 Sep

    EU leaders meet with Theresa May at informal summit in Austria

  • 23-26 Sep

    Labour Party annual conference

  • 30 Sep – 3 Oct

    Conservative Party annual conference

  • 18 Oct

    European Council meeting with an aim to finalising the terms of withdrawal and the future EU-UK relationship

  • 31 Oct

    UK-EU negotiations end

  • 31 Oct

    Self-imposed EU deadline to wrap up Brexit negotiations (although there may be a possibility to extend it to December). Draft agreements published including Withdrawal Agreement and a framework for the future relationship

  • Oct – Nov

    Assuming negotiations are completed by 31 October, there will be an agreement in principle in the European Council and a request for European Parliament consent

  • Oct/Nov

    UK parliamentary vote on Brexit deal

    The House of Lords to vote on a motion on both agreements

    European Parliament’s Constitutional Affairs Committee reports on Withdrawal Agreement

  • 13-14 Dec

    European Council meeting

  • End 2018

    The Withdrawal Agreement and Implementation Bill introduced to the House of Commons (the vote on second reading to be a de facto second ‘meaningful vote’)

  • Date TBC

    European Parliament votes on the Withdrawal Agreement

  • 21 Jan

    No-deal Brexit legal cut-off date

  • Mar

    Withdrawal Agreement concluded by Council acting by a super qualified majority (20 of EU 27 countries)

  • Mar

    Withdrawal Agreement and Implementation Bill passed (assuming Bill must be passed before exit to provide the necessary legal framework for transition/implementation period)

    Withdrawal Agreement ratified by UK in accordance with the Constitutional Reform and Governance Act 2010

  • 29 Mar

    UK withdraws from the EU

  • 30 Mar

    Transition/implementation period begins

  • 31 Dec

    Transition period due to end