The 2026 Sutton London Borough Council election took place on 7 May 2026. All 55 members of Sutton London Borough Council were elected. The elections took place alongside local elections in the other London boroughs and elections to local authorities across the United Kingdom.

Prior to the election, the council was under Liberal Democrat majority control. They significantly increased their majority at this election, winning 51 of the council's 55 seats. The Conservatives, which had been the second largest party prior to the election, were wiped out. Labour was reduced to one seat and Reform gained two.

Background In 2022, Liberal Democrats retained control of the council. In 2025, the deputy leader of the council resigned triggering a by-election.

Previous council composition

After 2022 election Before 2026 election After 2026 election Party Seats Party Seats Party Seats 29 28 51 20 20 2 3 2 1 3 5 1 Changes 2022–2026: March 2024: Sheila Berry (Labour) resigns – by-election held May 2024 May 2024: Catherine Gray (Conservative) gains by-election from Labour March 2025: David Bartolucci (Liberal Democrats) disqualified due to non-attendance – by-election held April 2025 April 2025: Richard Choi (Liberal Democrats) wins by-election Amy Haldane (Liberal Democrats) resigns – by-election held May 2025 May 2025: Lisa Webster (Liberal Democrats) wins by-election March 2026: Timothy Crowley (Conservative) leaves party to sit as an independent Patrick Ogbonna (Liberal Democrats) leaves party to sit as an independent

Election result

Results by ward

Beddington

Belmont

Carshalton Central

Carshalton South & Clockhouse

Cheam

Hackbridge

North Cheam

South Beddington & Roundshaw

St Helier East

St Helier West

Stonecot

Sutton Central

Sutton North

Sutton South

Sutton West & East Cheam

The Wrythe

Wallington North

Wallington South

Worcester Park North

Worcester Park South

References