Tucked away from the hustle of downtown in Toronto’s prestige Rosedale neighbourhood, you’ll find the Integral House – easily one of the most spectacular private residences in the city. And after being on the market for over a year, the Integral House has officially sold for a cool $18 million. The home, which was built on the edge of a ravine at 194 Roxborough Drive, was listed in May 2019 with an asking price of $21.5-million. READ: Selling To The Ultra-Rich Means Telling A Good Story Owners Mark Machin, CEO of the Canada Pension Plan Investment Board, and his wife Melissa Mowbray-D’Arbela, managing director of a large private equity firm, purchased the house for $15 million in 2016 from the estate of world-renowned mathematician and musician James Stewart, who died in 2014. Dr. Stewart, who authored calculus textbooks that are used in universities around the world, commissioned Shim-Sutcliffe Architects to design the 17,000-square-foot house, which features an architectural design that pays tribute to the mathematical integral symbol most often used in calculus. Perched on an east-facing cliff towards the Don Valley, the view from the house presents the hills of Chorley Park all the way down to the Evergreen Brick Works
