Reform

Seats won by year

• Council
• Westminster
• Devolved
• Other

All election types, 2016 onwards. Devolved covers Holyrood, the Senedd, Stormont and the London Assembly.

By-election form, last 12 months

In the last 12 months of by-elections: defended 29 (held 11, lost 18); gained 58.

• LOSSShepshedLeicestershire County Council · 15 Oct 2026 · to Labour
• LOSSAmbleNorthumberland County Council · 1 Oct 2026 · to Labour
• LOSSHirstNorthumberland County Council · 1 Oct 2026 · to Labour
• GAINEast MarkhamBassetlaw District Council · 15 Sept 2026 · from Conservative
• GAINEckington South & RenishawNorth East Derbyshire District Council · 10 Sept 2026 · from Labour
• GAINHutton & LockingNorth Somerset Council · 10 Sept 2026 · from Conservative
• HOLDThrockley, Walbottle & NewburnNewcastle City Council · 27 Aug 2026
• GAINSoutheySheffield City Council · 27 Aug 2026 · from Labour
• LOSSBillinge & Seneley GreenSt Helens Council · 27 Aug 2026 · to Labour
• LOSSPenistone EastBarnsley Metropolitan Borough Council · 20 Aug 2026 · to Labour
• GAINHarraby SouthCumberland Council · 20 Aug 2026 · from Labour
• LOSSSt Neots EynesburyHuntingdonshire District Council · 20 Aug 2026 · to Lib Dems

Where they're standing next

• SaronCarmarthenshire County Council · 22 Oct 2026
• Hertford KingsmeadEast Hertfordshire District Council · 22 Oct 2026
• Calverley & FarsleyLeeds City Council · 22 Oct 2026
• Grantham St Wulfram'sSouth Kesteven District Council · 22 Oct 2026
• Mid ArgyllThe Argyll and Bute Council · 29 Oct 2026
• Worksop EastBassetlaw District Council · 29 Oct 2026

Plus 12 more with candidates declared.

Strongest constituencies, 2024 General Election

• ClactonWon46.2%
• AshfieldWon42.8%
• Boston And SkegnessWon38.4%
• Great YarmouthWon35.3%
• Barnsley SouthDid not win33.2%

Share of all votes cast in the constituency.