The Studio Building in Toronto, Ontario, Canada, was the home and working studio of several of the Group of Seven painters, their predecessors, and their artistic descendants, and is of enormous significance in the history of Canadian art. The building was designated a National Historic Site of Canada in 2005. It was also designated by th…The Studio Building in Toronto, Ontario, Canada, was the home and working studio of several of the Group of Seven painters, their predecessors, and their artistic descendants, and is of enormous significance in the history of Canadian art. The building was designated a National Historic Site of Canada in 2005. It was also designated by the City of Toronto under the Ontario Heritage Act through By-law 115-2003.