Ten fire engines and 72 firefighters and officers were called to a fire at a recycling plant in Transport Avenue, Brentford.
Part of a recycling centre building and approximately 150 tonnes of recycling waste were damaged by fire.
The Brigade was called at 2338 on Tuesday (June 26) and the fire was under control at 0359 on Wednesday (June 27). Fire crews from Heston, Ealing, Acton and other surrounding fire stations attended the scene.
The cause of the fire is under investigation.