Firefighters armed with breathing apparatus and hose reel jets extinguished a blaze at a two-storey home.
The fire was discovered at the property on Briar Gate, at Long Eaton, about 10.30am, on Tuesday, November 18.
A Derbyshire fire service spokesman said Long Eaton and Ilkeston fire crews put out the fire and ventilated the property.
The property was made safe by about 10.50am.
Police and an ambulance attended the incident and Derbyshire fire service has launched an investigation to establish the cause.