Firefighters were called to extinguish a burning caravan and outbuilding at Stifford Clays Farm in North Stifford last night.
The building measured approximately 20 x 6 metres. Two further appliances were requested for additional water supplies.
Crews wore six sets of breathing apparatus and used three hose reels, and one main jet to extinguish the fire by 02:11hrs. Crews checked for remaining hotspots using a thermal image camera.
The cause of the fire is unknown at this stage, ECFRS and the police will carry out an investigation.