Our bi-annual Most Expensive Streets Report looks at the priciest corridors in Canada to rent office space. According to the report, Toronto’s Bay Street has retained its position as Canada’s most expensive street. With an 11.1% increase in average rent from $70.14 per square foot in 2017 to $77.96 in 2019, Bay Street located in the downtown financial district of Toronto, once again outranks other major city streets.