Four fire engines and 25 firefighters were called to a shop fire on Burnley Road in Brent.
Firefighters tackled a fire in a four-storey building containing a shop with flats above it. A small part of the ground floor was damaged by the fire.
The Brigade was called at 1412 and the fire was under control by 1628. Fire crews from West Hampstead, North Kensington and Stanmore fire stations attended the fire.
The cause of the fire is under investigation.