Six fire engines and around 30 firefighters were called to a fire in a church hall on Bruce Road, Bow, E3 yesterday evening.
The ground floor was badly damaged by the fire. There were no reports of any injuries.
The Brigade was called at 1755 and the fire was under control by 1906.
Firefigthers from Stratford, Poplar, Bow and Kingsland fire stations attended the incident.
The cause of the fire is under investigation.