The 2019 Windsor and Maidenhead Borough Council election took place on Thursday 2 May 2019. That was the same day as other United Kingdom local elections in order to elect members of Windsor and Maidenhead Council in Berkshire, England. The whole council was up for election.

Before the election, the composition of the council was:

Conservative 54 Liberal Democrat 1 Labour 0 Independent 2

Background The Independent Local Government Boundary Commission for England carried out an electoral review of the Royal Borough with the view to change electoral arrangements from May 2019. The Commission announced the number of councillors was to reduce and also looked into the number of wards, their names and boundaries. This reduced the number of councillors from 57 to 41.

Before the election, the composition of the council was: +↓5412

After the election, the composition of the council became: +↓23910

Summary

Election result

Ward results Ascot and Sunninghill

Belmont

Bisham and Cookham

Boyn Hill

Bray

Clewer and Dedworth East

Clewer and Dedworth West

Clewer East

Cox Green

Datchet, Horton and Wraysbury

Eton and Castle

Furze Platt

Hurley and Walthams

Oldfield

Old Windsor

Pinkneys Green

Riverside

St Mary's

Sunningdale and Cheapside

Changes 2019–2023 September 2019: Council leader Simon Dudley, Conservative councillor for Riverside, resigned from the council. June 2020: Gurch Singh, elected as a Conservative for St Mary's, joined the Liberal Democrat group. February 2022: Jon Davey, elected for the West Windsor Residents Association in Clewer and Dedworth West, left the association to sit as an independent. March 2023: John Baldwin, Liberal Democrat councillor for Belmont, stood down with immediate effect after a party disciplinary hearing; as his term was due to end in May, the seat was left vacant.

By-elections

Riverside

The by-election was triggered by the resignation of Conservative council leader Simon Dudley, who said he wished to focus on national issues.

References