Four fire engines and around 20 firefighters attended a fire at a factory of three floors on Worsley Bridge Road in Lower Sydenham, early this morning.
Part of the ground floor, first floor and the roof were damaged by fire.
There were no injuries.
Firefighters from Forest Hill, Beckenham, Lewisham and Orpington fire stations attended the incident.
The Brigade was called at 0332 and the fire was brought under control at 0725. The cause of the fire is under investigation.