Four fire engines and 20 firefighters were called to a fire in a block of flats on Purcell Street in Islington, N1 this morning.
A four room flat on the 3rd floor was severely damaged by the fire.
The Brigade was called at 1006 and the fire was under control by 1045.
Fire crews from Clerkenwell, Islington and Shoreditch fire stations were at the scene.
The cause of the fire is under investigation.