At 12.18pm on Thursday (29) two crews from Cambridge, one crew from Cottenham and one crew from Huntingdon were called to a fire on The Spinney in Bar Hill.
Firefighters arrived to find a well-developed fire in a first floor bedroom of a house. Wearing breathing apparatus they extinguished the fire using hose reels and jets and cleared the smoke using a positive pressure ventilation fan.
The crews returned to their stations by 4.45pm.
The cause of the fire was accidental.