Ten fire engines and around 70 firefighters tackled a grass fire on Western Avenue in Uxbridge.
Around 40 hectares of grassland, undergrowth and fallen trees were damaged by the fire. There were no reports of any injuries.
The Brigade's 999 Control Officers took 37 calls to the blaze.
The Brigade was called at 1446 and the fire was under control by 0600 (Wednesday). Fire crews from Hayes, Richmond, Twickenham and surrounding fire stations were at the scene, as well as colleagues from The Royal Air Force Fire and Rescue Service.