Two fire engines and around 10 firefighters were called to a fire at a house on Kirby Close in Romford.
A small part of a bedroom on the first floor of the semi-detached house was damaged by fire. Firefighters wearing breathing apparatus rescued a man from the first floor.
The fire Brigade was called at 1523 and the fire was under control by 1618. Fire crews from Romford and Hornchurch fire stations attended the scene.
The cause of the fire is under investigation.