By the 1960s, the AGO was once again expanding, therefore forging a new path for The Grange. This was a time in Ontario of increased interest in heritage preservation and so the Junior Women's Committee raised $650 000 for a restoration project. This money was used to restore The Grange to how it would have looked in 1835. In 1970, The Grange was named a National Historic Site of Canada. Designated by the City of Toronto under the "Ontario Heritage Act" by By-law 130-91