Four fire engines and around 25 firefighters were called to flooding on Tokyngton Avenue in Wembley.
Flood water affected the rear gardens of multiple houses up to a depth of around one metre. There were no reports of any injuries.
A London Fire Brigade spokesperson said: “It might be hot and dry one day, but the risk of heavy rain and flooding is round the corner. Recent storms have shown how quickly a flash flood can inundate a street.
“Our firefighters know what they need to do in a flood, but it’s important Londoners know as well. We’d encourage you to follow our flooding advice.”
If your property is flooding, you should:
The Brigade was called at 2230 and the incident was over for firefighters by 0706. Fire crews from Wembley, Willesden, North Kensington and Southall fire stations attended the scene.