CFA crews responded to reports of an electrical fire on Driffield Crescent in Sassafras at around 6.27pm on Tuesday 25 October.
Seven CFA units from Bayswater, Sassafras and Olinda fire brigades attended the scene.
The fire impacted the wall and roof of a structure.
The scene was deemed under control at around 7.20pm, with crews declared the incident safe at around 7.37pm.
Victoria Police, SES and building surveyors were also on scene.
