Six fire engines and around 40 firefighters attended a fire at an allotments on Hatton Road in Feltham.
One outbuilding was destroyed by fire along with a range of sheds. There were no reports of any injuries.
Several cylinders were removed from the scene and cooled to an ambient temperature as a precaution, as some cylinders can explode when exposed to heat.
A water relay system was implemented as part of firefighting operations. Fire engines were stationed between the incident site and the nearest water hydrant, and then connected together by hose. This allowed crews to pump a constant supply of water to the scene of the fire.
The Brigade received the first of six calls at 0427 and Control Officers mobilised crews from Feltham, Heston and Twickenham fire stations to the scene. The fire was brought under control by 0647.
The cause of the fire has been recorded as undetermined.