At 2.28pm on Friday (29) crews were called to a fire on Kidmans Close in Hilton.
Crews from Papworth, Huntingdon, Cambridge and St Neots attended the scene.
Firefighters arrived to find a fire in a shed that was spreading to nearby houses. Wearing breathing apparatus they extinguished the fire using hose reels and a jet, and cleared the smoke using a positive pressure ventilation fan.
The crews returned to their stations by 6.50pm.
An investigation is underway to determine the cause of the fire.