Syon and Brentford Lock is an electoral ward in the London Borough of Hounslow. The ward was first used in the 2022 elections. It returns three councillors to Hounslow London Borough Council.

List of councillors Term Councillor Party 2022–present Katherine Dunne 2022–present Dan Bowring 2022–2025 Balraj Sarai 2025–present Theo Dennison

Hounslow council elections 2025 by-election The by-election took place on 6 March 2025, following the resignation of Balraj Sarai. It was held on the same day as the 2025 Brentford East by-election.

2022 election The election took place on 5 May 2022.

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