The owners of 67,000 lots currently zoned for single-family housing can now rebuild their homes as duplexes.
The imbalance between the number of available units and the number of would-be renters drives up rents.
San Francisco has a comparable land area to Vancouver but accommodates roughly 30 per cent more residents.
Ontario’s housing plan limits rent increases to 1.5 per cent annually.
It takes nearly two years, on average, to obtain building permits in Vancouver.