Three fire engines and around 15 firefighters were called to a house fire on Gliddon Drive in Hackney.
Around half of a second floor flat was damaged by fire. One woman and one child left the property before the Brigade arrived. They were treated at the scene for smoke inhalation by London Ambulance Service crews.
The Brigade was called at 1427 and the fire was under control at 1517. Fire crews from Stoke Newington, Homerton and Islington fire stations attended the scene.
The cause of the fire is under investigation.