Four fire engines and around 25 firefighters were called to a fire at a flat on Pembury Road in Hackney.
Part of a three roomed flat on the third floor of a block of flats was damaged by fire.
The Brigade was called at 1324 and was under control by 1356. Fire crews from Homerton, Stoke Newington and Islington fire stations were at the scene.
The cause of the fire is under investigation.