Four fire engines and around 25 firefighters tackled a fire on Clocktower Road in Isleworth.
An external extraction unit for a warehouse was destroyed by the fire. There are no reports of any injuries.
Control Officers took the first of 19 calls at 2050 and mobilised crews from Heston and Twickenham fire stations to the scene. The fire was extinguished by 1959.
The cause of the fire is under investigation.