Six fire engines and around 40 firefighters were called to a fire at a block of flats on Cartwright Street in Whitechapel.
A balcony attached to a three roomed flat on the third floor was completely destroyed by fire as well as a small part of the flat.
The Brigade was called at 0255 and the incident was over by 0410. Fire crews from Whitechapel, Shadwell, Dowgate, Dockhead, Shoreditch and Bethnal Green fire stations were at the scene.
The cause of the fire is undetermined.