Four fire engines and around 25 firefighters tackled a fire at a residential block of flats on Gloucester Drive in Hackney.
A three-roomed flat on the first floor of the three-storey building was partially damaged by fire. One adult male suffering smoke inhalation left the property before the arrival of the Brigade and was treated on-scene by London Ambulance Service.
The Brigade's 999 Control Officers received a call to this fire at 0651 and mobilised crews from Stoke Newington, Holloway and Tottenham fire stations to the scene. The fire was under control by 0747.
The cause of the fire is under investigation.