Investigators say the cause of a fire that destroyed a Huntsville home on Sunday was electrical in nature.

Huntsville/Lake of Bays fire crews were called to Brunel Road, just after midnight on Sunday after the owner of the house returned home to find the building on fire.

The blaze started on the main floor of the home and quickly engulfed the rest of the building. Damage is estimated at $350,000.

Fire crews have determined the cause to be an electrical circuit fault.