All partiesSeats 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 49 (held 23, lost 26); gained 24.
- HOLDLong Whatton & DiseworthNorth West Leicestershire District Council · 1 Oct 2026
- GAINForth and EndrickThe Stirling Council · 1 Oct 2026
- GAINBlockleyCotswold District Council · 24 Sept 2026 · from Green
- HOLDWombourne NorthSouth Staffordshire Council · 24 Sept 2026
- GAINBrayRoyal Borough of Windsor and Maidenhead · 24 Sept 2026
- GAINWreake ValleyCharnwood Borough Council · 17 Sept 2026 · from Green
- LOSSEast MarkhamBassetlaw District Council · 15 Sept 2026 · to Reform
- LOSSHutton & LockingNorth Somerset Council · 10 Sept 2026 · to Reform
- GAINHaverhill WestWest Suffolk Council · 10 Sept 2026
- HOLDLlantwit FardreRhondda Cynon Taf County Borough Council · 3 Sept 2026
- LOSSGuston, Kingsdown & St Margaret's-at-CliffeDover District Council · 27 Aug 2026 · to Green
- LOSSHeachamBorough Council of King's Lynn and West Norfolk · 6 Aug 2026 · to Reform
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 10 more with candidates declared.
Strongest constituencies, 2024 General Election
- Harrow EastWon53.3%
- Richmond And NorthallertonWon47.5%
- Stone Great Wyrley And PenkridgeWon46.5%
- Ruislip Northwood And PinnerWon45.4%
- HertsmereWon44.7%
Share of all votes cast in the constituency.