Arson Squad detectives have received information from the public in regards to the house fire on Gaden Road in Wundowie.
A police spokesperson told The Avon Valley Advocate that ongoing inquiries have been made into the information they have received.
Police believe the fire was started in the carport and how it started is yet to be determined. The spokesperson said the investigation is still going.
Just after 2:00am on New Year's Day, the Department of Fire and Emergency Services requested police attendance at the house fire.
Significant fire damage was caused to a car and the house. Anyone with information or who saw or heard anything suspicious in the Gaden Road area between midnight and 2am have been asked to call Crime Stoppers on 1800 333 000.