Four fire engines and 21 firefighters and officers were called to a fire at a tyre shop in Mill Plat Avenue in Isleworth.
Part of the tyre shop’s fitting bay and a car within it were damaged by fire.
One person left the flat above the shop before the arrival of the Brigade. There were no reports of any injuries.
The Brigade was called at 2029 and the fire was under control at 2123. Fire crews from Heston, Richmond and Chiswick fire stations attended the scene.
The cause of the fire is believed to be accidental.