Four fire engines and around 25 firefighters attended a house fire on Bernard Avenue in West Ealing.
Part of the loft of a terraced house was damaged by fire. There were no reports of any injuries.
The Brigade was called at 1412 and Control Officers mobilised crews from Ealing, Acton, Chiswick and Southall fire stations to the scene. The fire was extinguished by 1511.
The fire is being treated accidental and believed to have been caused by hot works.