Four fire engines and around 25 firefighters responded to a fire at a block of flats on New Orleans Walk in Holloway.
Part of a four roomed flat on the fourth and fifth floors was damaged by the fire. There were no reports of any injuries.
The Brigade was called at 1927 and the fire was under control by 2013. Firefighters from Holloway, Hornsey and Kentish Town fire stations attended the scene.
The cause of the fire is under investigation.