POLICE are investigating a suspicious house fire at Coffs Harbour overnight.
About 5pm yesterday, emergency services were called to a home in west Coffs, after reports a house was well alight.
NSW Fire and Rescue crews brought the blaze under control a short time later.
Upon inspection of the home, crews located a 51-year-old man unconscious inside.
He was taken to Coffs Harbour Hospital where he was treated for smoke inhalation.
Officers from Coffs/Clarence Police District attended and established a crime scene.
The home has received significant structural damage.
Police are now investigating the cause of the blaze.