Firefighters were sent out to a home in Shoreham last night (Thursday).
According to West Sussex Fire and Rescue Service, crews were called at 8.30pm to a domestic garage fire in Old Fort Road.
The accidental ignition caused 'considerable damage', the fire service confirmed.
A spokesman said: "We had one one crew from Lancing and one crew from Worthing attend.
"We used four breathing apparatus and two jets."
The two fire engines left the scene at 10.30pm.