Four fire engines and around 25 firefighters were called to a fire at a house on Sandhurst Road in Edmonton.
Half of the ground floor of a terraced house was damaged by fire. Three men left the property before the Brigade arrived. There were no reports of any injuries.
The Brigade was called at 0529 and the fire was under control by 0645. Fire crews from Edmonton and Enfield fire stations attended the scene.
The cause of the fire is under investigation.