Brentford East is an electoral ward in the London Borough of Hounslow. The ward was first used in the 2022 elections. It returns two councillors to Hounslow London Borough Council.
The by-election took place on 6 March 2025, following the resignation of Rhys Williams. It was held on the same day as the 2025 Syon and Brentford Lock by-election.
The election took place on 5 May 2022.