Chatham-Kent Firefighters from stations 1 and 2 responded to a house fire around midnight Friday.
Crews arrived at the blaze on Grey Street and were met by heavy smoke and flames coming from the multi dwelling building.
Officials say there had been so many additions to the building it took several hours to completely extinguish the fire. No injuries were reported and the blaze remains under investigation.
Total damage estimated at $300,000 dollars.