This is an interior photo of the house. 7 bathrooms!
Interesting, chat gbt confirms John G Sully as the original owner and his connection to Raymond Sewing Machines but there's nothing about his affiliation with Guelph Opera House. (The Guelph Royal Opera House—also known as the Guelph Workingmen’s Opera House Co., Griffin’s Opera House, and Royal Opera House)
Building for many years known as London Rd B&B
Still lots more walking tours - Sept & Oct.