2026 Bromley London Borough Council election

2026 Bromley London Borough Council election

←  2022 7 May 2026 2030 →
All 58 seats to Bromley London Borough Council 30 seats needed for a majority
First party Second party Third party   Party Conservative Labour Liberal Democrats Last election 36 seats, 41.6% 12 5   Fourth party Fifth party   Party Chislehurst Matters Independent Last election 3 2
council control before election Conservative Subsequent council control TBD

The 2026 Bromley London Borough Council election will take place on 7 May 2026. ^[1] All 58 members of Bromley London Borough Council will be elected. The elections will take place alongside local elections in the other London boroughs and elections to local authorities across the United Kingdom. ^[2]

Background

In July 2025, Reform UK won their first seat in London at a local by-election in Bromley. ^[3]

Previous council composition

After 2022 election			Before 2026 election
Party		Seats	Party		Seats
	Conservative	36		Conservative	33
	Labour	12		Labour	11
	Liberal Democrats	5		Liberal Democrats	5
	Chislehurst Matters	3		Chislehurst Matters	3
	Reform	0		Reform	3
	Independent	2		Independent	2
	Vacant	N/A		Vacant	1

Changes 2022–2026:

• August 2023: Jonathan Laidlaw (Conservative) leaves party to sit as an independent ^[4]
• October 2023: Andrew Lee (Conservative) dies – by-election held December 2023 ^[5]
• December 2023: Josh Coldspring-White (Conservative) wins by-election ^[6]
• March 2024: Aisha Cuthbert (Conservative) resigns – by-election held May 2024 ^[7]
• May 2024: Gemma Turrell (Conservative) wins by-election ^[8]
• June 2025: Jonathan Laidlaw (Independent) dies – by-election held July 2025 ^[9]
• July 2025: Alan Cook (Reform) gains by-election from Conservatives ^[10]
• October 2025: Christopher Marlow (Conservative) joins Reform ^[11]
• November 2025:
  • Alisa Igoe (Labour) leaves party to sit as an independent ^[12]
  • Sophie Dunbar (Independent) joins Conservatives ^[13]
• December 2025:
  • Keith Onslow (Conservative) dies – seat left vacant until 2026 election ^[14]
  • Kira Gabbert (Conservative) joins Reform ^[15]

References

1. "Local elections in London will test support for Reform UK and Greens". BBC News . 1 January 2026. Retrieved 19 January 2026.
2. "Number of councils that have requested delay to local elections revealed - is yours one of them?". Sky News. Retrieved 19 January 2026.
3. Baston, Lewis (26 July 2025). "Bromley by-election produces first Reform UK win in London". OnLondon. Retrieved 19 January 2026.
4. Boothroyd, David. "Lib Dems all Wight on the Island". LocalCouncils.co.uk. Retrieved 19 January 2026.
5. Coughlan, Joe (13 October 2023). "'Outstanding' Bromley councillor who fulfilled 'life-long wish' dies suddenly". News Shopper. Retrieved 19 January 2026.
6. "Local Elections Archive Project — Hayes and Coney Hall Ward". www.andrewteale.me.uk. Retrieved 19 January 2026.
7. Harbert, Joe (18 March 2024). "Candidate quits post to focus on general election bid". Kent Online. Retrieved 19 January 2026.
8. "Local Elections Archive Project — Shortlands and Park Langley Ward". www.andrewteale.me.uk. Retrieved 19 January 2026.
9. "Tributes paid Bromley Common and Holwood ward councillor". London Borough of Bromley. 9 June 2025.
10. "Local Elections Archive Project — Bromley Common and Holwood Ward". www.andrewteale.me.uk. Retrieved 19 January 2026.
11. Blackshaw, Cameron (13 October 2025). "'We'll steal the best and leave the rest': Reform wants more after councillor defection". Kent Online. Retrieved 19 January 2026.
12. Boothroyd, David. "Greens Wincheap from Lib Dems". LocalCouncils.co.uk. Retrieved 19 January 2026.
13. Blackshaw, Cameron (24 November 2025). "Independent Bromley councillor joins Conservatives". News Shopper. Retrieved 19 January 2026.
14. Donnelly, Luke (30 December 2025). "Tributes paid to 'legendary' Bromley councillor after death following illness". My London. Retrieved 19 January 2026.
15. Boothroyd, David. "Reform win in Lothian". LocalCouncils.co.uk. Retrieved 19 January 2026.