Four fire engines and around 25 firefighters were called to a fire at a house on Dowsett Road in Tottenham.
Part of the ground and first floors of a terraced house were damaged by fire and a conservatory was destroyed by the blaze. There were no reports of any injuries.
The Brigade's 999 Control Officers took 12 calls to the blaze.
The Brigade was called at 1526 and the fire was under control by 1700. Fire crews from Tottenham, Walthamstow, Stoke Newington and Edmonton fire stations attended the scene.
The cause of the fire is under investigation.