Four fire engines, 21 firefighters and officers were called to a flat fire on York Way in Kings Cross this afternoon
The fire damaged part of a flat on the third floor of the 15 storey block. One woman left the flat before the Brigade arrived and was treated on the scene by London Ambulance Service.
The Brigade was called at 1616 and the fire was under control by 1714. Crews from Euston, Kentish Town and Islington fire stations attended the incident.
The cause of the fire is under investigation.