Brentford & Isleworth is currently held by the Labour Party, and awaits results.
Results for 2019 are notional estimates based on the new boundaries.
| Votes | Share % | Change %pts. | ||
|---|---|---|---|---|
| Laura Blumenthal Conservative | − | − | − | |
| Ruth Cadbury Labour | − | − | − | |
| David Kerr Reform UK | − | − | − | |
| Nisar Malik Workers Party of Britain | − | − | − | |
| Zebunisa Rao Independent | − | − | − | |
| Kuldev Sehra Liberal Democrat | − | − | − | |
| Freya Summersgill Green | − | − | − |