At 8.38am on Wednesday (25) two crews from St Neots, along with a crew from Bedford and a crew from Potton in Bedfordshire, were called to a fire on Little End Road in Eaton Socon.
Firefighters arrived to find a in a single storey building. Wearing breathing apparatus they extinguished the fire using a hose reel and a jet.
The crews returned to their stations by 11.45am.
The cause of the fire was accidental.