Four fire engines and 25 firefighters were called to a fire at a house converted into flats in Clifford Gardens in Kensal Rise.
Part of a flat on the ground floor was damaged by fire. One woman left the property before the arrival of the Brigade and firefighters assisted one man from a neighbouring property. The man was treated at the scene by London Ambulance Service as a precaution.
The Brigade was called at 1540 and the fire was under control at 1646. Fire crews from North Kensington and Paddington fire stations attended the scene.
The cause of the fire is under investigation.