Busselton Police are investigating a fire at a house in West Busselton overnight which occurred around 2.45am on Saturday, November 17.
Department of Fire and Emergency Services officers attended the house on Seymour Street.
The house was unoccupied at the time, however the owner was advised and attended the scene.
Detectives are investigating the fire.
Anyone with information to assist can contact Crime Stoppers on 1800 333 000 or make a report online at crimestopperswa.com.au.