Firefighters from Conestogo, Maryhill and St. Jacobs responded to a fire in a detached workshop behind a home in Winterbourne at 10:15 p.m. on Monday, Aug. 20.
The fire is believed to have been started by unobserved sparks created by the homeowner who was grinding in the shop.
The sparks eventually ignited the wooden structure.
The blaze was extinguished by firefighters from the three Woolwich fire departments.
Initial damage estimates are pegged at approximately $30,000.