Six fire crews were called to a kitchen fire which spread from the ground floor to the roof.
West Sussex Fire and Rescue Service was called to the home in Church Road, Worth, at 11.03am today (Friday December 19).
A spokesman said the crews used 12 sets of breathing apparatus, three hose reels and one jet to contain the fire.
The occupants were not home when the fire started.
The crews were in attendance for more than three hours.
The cause of the fire is under investigation.