A house on The Wridgeway in Mt Evelyn was the scene of an explosion early in the morning on Friday 11 March.
Ten CFA vehicles and volunteer firefighters responded to the call that was reported at about 6.14am, supported by Victoria Police.
The house was unoccupied and no one was injured.
The incident was declared under control by 7.34am, whilst crews remained on-site assisting with cleaning up the damage.
The cause of the fire is currently under investigation, with the matter being treated as suspicious.
Anyone who witnessed the incident or has information that could assist police with their enquiries is urged to contact Crime Stoppers on 1800 333 000.
