At 11.29am on Monday (22) crews from March, Whittlesey and Chatteris were called to a fire on Station Road in March.
Firefighters arrived to find a well developed fire in an industrial building, measuring around 20 metres by 10 metres. Wearing breathing apparatus they extinguished the fire using hose reels and a jet.
The crews returned to their stations by 3pm.
The cause of the fire was accidental.