Four fire engines and around 25 firefighters were called to two garden sheds alight in Conway Road, Whitton.
Two garden sheds were destroyed by the fire and neighbouring fences were also destroyed. A facia board and extractor fan in an annex building to the rear of one property were also damaged.
There were no reports of any injuries.
The Brigade's 999 Control Officers took 23 calls to the fire.
The Brigade was called at 1646 and the fire was under control at 1752. Fire crews from Kingston, Hayes and Acton fire stations attended the scene as well as colleagues from Surrey Fire and Rescue Service.
The cause of the fire is under investigation.