Six fire engines and around 40 firefighters are dealing with a flat fire on Carlton Vale in Maida Vale.
Part of a flat on the third floor was damaged by fire.
The Brigade was called at 3.34pm and the fire was under control by 4.30pm. Fire crews from North Kensington, Willesden, Park Royal, Paddington, Kentish Town and Hammersmith fire stations were at the scene. The cause of the fire is under investigation.