Nobody was inside the two-storey home at Long Common in Claverley, on the B4176 between Bridgnorth and Wolverhampton, when the fire started in the early hours of Wednesday morning.
Seven crews from Staffordshire Fire & Rescue went to battle the blaze after receiving a call at about 2.30am.
Staffordshire Police were also called and remained at the scene along with fire crews late on Wednesday afternoon.
A spokesman for Staffordshire Fire said: "Firefighters were called to a report of a fire at a property on Long Common on Claverley just after 2.30am on June 10.
"Crews from Wombourne, Kinver, Penkridge, Brewood, two crews from Cannock and firefighters from West Midlands Fire attended the scene which involved a two-storey house and a caravan.
"Around 25 firefighters tackled the blaze from outside the property using two hose reel jets and one main jet. Crews split the fire into sectors to fight the flames.
"No one was injured or in the property at the time.
"A building inspector is assessing the property which has been devastated and left as a concrete structure. Investigations into the cause are underway."
The house was still alight at 7am and fire crews were still attempting to dampen down hot spots on Wednesday afternoon.
West Midlands Ambulance Service said they were called to the scene at just after 3.15am where they assessed a man, but he was discharged from their care at the scene.
“We were called at 3:17am by the fire service to a fire on Long Common in Claverley," said a West Midlands Ambulance Service spokesman.
"We sent one ambulance to the scene and assessed one patient, a man, who was discharged at the scene.”