Vote Book United Kingdom: 650 Constituencies & Party Guide

UK Elections Calendar & Overview

Date / Window	Election
May 2026 (completed)	Scottish Parliament (129 MSPs), Senedd Cymru (96 MSs), and English local & mayoral elections
Thursday 6 May 2027	UK local elections across England, Scotland, Wales, and Northern Ireland Assembly (90 MLAs)
May 2028	London Mayor & London Assembly, combined authority mayors, and English & Welsh Police and Crime Commissioners
Due by August 2029	Next UK General Election across all 650 House of Commons constituencies (unless called earlier)

Voter registration, photo ID requirements, and polling station finder: Electoral Commission (electoralcommission.org.uk) and gov.uk/register-to-vote.

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How UK elections work

House of Commons (Westminster): 650 MPs elected from single-member constituencies across England (543), Scotland (57), Wales (32), and Northern Ireland (18) using First Past the Post (FPTP).
Devolved Parliaments & Assemblies: The Scottish Parliament (Holyrood) uses the Additional Member System (AMS); Senedd Cymru (Welsh Parliament) uses closed-list proportional representation across 16 six-member constituencies (96 MSs from May 2026); the Northern Ireland Assembly (Stormont) elects 90 MLAs across 18 constituencies using Single Transferable Vote (STV).

Major UK parties & leaders in their own words

Labour Party — Sir Keir Starmer / Andy Burnham (Governing party at Westminster (404 MPs including Labour Co-op))

Conservative and Unionist Party — Kemi Badenoch (His Majesty's Official Opposition at Westminster (118 MPs))

Liberal Democrats — Sir Ed Davey (Third-largest party in the House of Commons (71 MPs))

Reform UK — Nigel Farage (Westminster parliamentary group & Senedd Official Opposition)

Green Party of England and Wales — Zack Polanski (Leader); Carla Denyer & Adrian Ramsay (Westminster MPs) (Represented by 5 Green MPs in the House of Commons)

Scottish National Party (SNP) — John Swinney (First Minister of Scotland); Stephen Flynn (Governing party in the Scottish Parliament; 8 Westminster MPs)

Plaid Cymru — Party of Wales — Rhun ap Iorwerth (First Minister of Wales); Liz Saville Roberts (Westminster Leader) (Governing party in Senedd Cymru; 4 Westminster MPs)

Democratic Unionist Party (DUP) — Gavin Robinson (Northern Ireland Executive party; 5 Westminster MPs)

Sinn Féin — Mary Lou McDonald (President); Michelle O'Neill (First Minister of Northern Ireland) (Largest Northern Ireland party at Stormont and Westminster (7 MPs, abstentionist))

Alliance Party of Northern Ireland — Naomi Long (Cross-community party in the Northern Ireland Executive; 1 Westminster MP)

Social Democratic and Labour Party (SDLP) — Claire Hanna (Official Opposition in the Northern Ireland Assembly; 2 Westminster MPs)

Ulster Unionist Party (UUP) — Mike Nesbitt (Northern Ireland Executive party; 1 Westminster MP)

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