UK parliamentary by-elections since 1945
This list notes the number of by-elections by session since 1945-46 together with a list of the the successful candidates in by-elections since 2005.

This Private Member’s Bill was introduced to the Commons on 19 June 2013 and is designed to require the holding of a referendum on the UK’s continued membership of the European Union (EU) before the end of 2017. This Paper has been prepared as a guide in advance of the second reading on Friday 5 July.
European Union (Referendum) Bill (247 KB , PDF)
This Private Member’s Bill was introduced to the Commons on 19 June 2013 and is designed to require the holding of a referendum on the UK’s continued membership of the European Union (EU) before the end of 2017. This Paper has been prepared as a guide in advance of the second reading on Friday 5 July. A short guide to the passage of a Private Member’s Bill is also included. Although the Secretary of State is required to bring the orders governing the date and conduct of the poll before both Houses by the end of 2016 for affirmative resolution, the Bill does not enumerate the steps required, should there be a vote to leave the EU. Research Paper 13/42 Leaving the EU provides background information on the wider debate.
European Union (Referendum) Bill (247 KB , PDF)
This list notes the number of by-elections by session since 1945-46 together with a list of the the successful candidates in by-elections since 2005.
A Westminster Hall debate on returning forcibly deported children to Ukraine is scheduled for Wednesday 21 May 2025, from 2.30pm to 4.00pm. The debate will be led by Johanna Baxter MP.
How is UK defence responding to increasing geopolitical competition in the Arctic/ High North?