Four fire engines and around 25 firefighters were called to a fire at a shop with flats above on Main Avenue in Enfield.
Part of the shop on the ground floor of the building was damaged by fire. There were no reports of any injuries.
The Brigade was called at 2233 and the fire was under control by 2307. Fire crews from Enfield and Edmonton fire stations attended the scene.
The fire is believed to have been caused by an electrical fault.