Four fire engines and around 25 firefighters tackled a fire outside a semi-detached house on Dunholme Lane in Edmonton.
Part of the fascia of the house, half of a car, and a small part of a second car were damaged by the fire. There were no reports of any injuries.
The fire is believed to have been accidental and caused by a fault in a vehicle.
The Brigade was called at 0758 and the incident was over for firefighters at 0843. Crews from Edmonton and Tottenham fire stations attended the scene.