Four fire engines and around 25 firefighters attended a fire at a house on Geraint Road in Grove Park.
A kitchen on the ground floor was destroyed by fire. There were no reports of any injuries.
The Brigade was called at 0709 and Control Officers mobilised crews from Bromley, Lee Green and Eltham fire stations to the scene. The fire was brought under control by 0743.
The cause of the fire is under investigation.