59th Parliament of the United Kingdom

General election forming this Parliament

2024 - 4 July

By-elections during this Parliament

1. 1 May 2025 - Runcorn and Helsby
2. 26 February 2026 - Gorton and Denton
3. 18 June 2026 - Aberdeen South
4. 18 June 2026 - Arbroath and Broughty Ferry
5. 18 June 2026 - Makerfield
6. 13 August 2026 - Clacton

Read the House of Commons Library briefing on by-elections in the 59th Parliament.

Boundary sets

1. England (31 May 2024 - )
2. Northern Ireland (31 May 2024 - )
3. Scotland (31 May 2024 - )
4. Wales (31 May 2024 - )

CSVDownload boundary set data for Parliament period 59 as a CSV file