Four fire engines and around 25 firefighters tackled a fire at a vehicle repair workshop on Lionel Road South in Brentford.
Part of a vehicle storage unit was damaged by fire. A vehicle was destroyed by fire and around 30 vehicles were damaged by smoke. There were no reports of any injuries.
The Brigade's 999 Control Officers received six calls about the fire. The Brigade was called at 1931 and the fire was brought under control by 2052. Crews from Richmond, Heston, Hammersmith and Chiswick fire stations attended the scene.
The cause of the fire is under investigation.