Woodstock police are treating a house fire on Dundas St. as suspicious.
Crews were called to the blaze around 11pm on Tuesday night. Flames could be seen coming from the roof top and the back of the house.
No one was inside the building at the time of the incident. It took firefighters several hours to extinguish the fire.
Damage is pegged at $180,000.
Police and fire officials continue to investigate.