Four fire engines and around 25 firefighters were called to a fire at a flat on Du Cane Road in Shepherds Bush.
Part of a flat on the first floor of a four storey block of flatS was destroyed by fire.
The Brigade was called at 0754 and the fire was under control by 0912. Fire crews from Hammersmith, North Kensington and Willesden fire stations were in attendance.
The cause of the fire is under investigation by the Brigade and the Met police.