Four fire engines and around 25 firefighters were called to a fire at a house on Hoe Lane in Enfield.
The ground floor of the property was completely destroyed by the blaze. There were no reports of any injuries.
The Brigade was called at 1449 and the fire was under control by 1548. Fire crews from Enfield and Edmonton fire stations attended the incident.
The fire was caused by a fault is believed to be electrical.