Ten fire engines and around 70 firefighters responded to a fire on Isledon Road, Islington.
The fire involved a nursery, located in a structure consisting of two floors. The structures roof was damaged by the fire. One of the Brigade's 32m ladders was deployed to the scene as part of the Brigade's response. There are no reports of any injuries.
The Brigade was first called about the incident at 2226, and crews from Islington, Stoke Newington, Hornsey and surrounding fire stations were mobilised to the scene. Firefighters had the incident under control by 0258.
The cause of the fire has been listed as undetermined by the Brigade's Fire Investigators.