Six fire engines and around 40 firefighters tackled a fire at a derelict building on North Circular Road in Neasden.
A small part of the basement was damaged by the fire. There were no reports of any injuries.
Control Officers took the first of three calls at 1902 and mobilised firefighters from Willesden, Park Royal, Wembley and surrounding fire stations to the scene. The incident was over for firefighters at 2052.
The cause of the fire is under investigation.