In addition to those two cities, PwC Canada names Ottawa, Halifax, Montreal, Saskatoon, Quebec City, Edmonton, Winnipeg and Calgary as "markets to watch".
Retail is expected to have a smaller footprint but office buildings will see healthy growth.
Some expected disruptorsto the industry will be construction technology, cybersecurity, big data analytics and coworking.
One segment growing significantly is the medical office.
Overall, the office market enjoys a very low vacancy rate, hitting its lowest ever in 13 quarters in Q4 2018. "Maturing and new tech tenants" make up 22.7% of the market, further concentrated in Toronto and Vancouver.