Eight fire engines and 58 firefighters and officers tackled a fire at a church on Highbury Quadrant in Highbury, this afternoon.
A man left the building before the arrival of the Brigade and was treated at the scene by London Ambulance Service for smoke inhalation.
The fire affected an octagonal church building of two floors. A disused part of the ground floor, part of the second floor and a small part of the roof were damaged by the fire.
Fire engines from Holloway, Homerton, Stoke Newington, Tottenham, Islington, Kentish Town and Hornsey fire stations attended the incident.
The Brigade was called at 1641 and the fire was under control at 1858. The cause of the fire is not known at this stage.