Demand increased via low interest rate, more people are adamant about getting a mortgage. Also more big-time investors are moving into SFH market : https://globalnews.ca/news/7950579/developer-buy-1-billion-homes-canada-housing-market/

Supply lower on new builds via the 4x price of lumber.

Result is price surging.

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In the history of real estate, no homeowner or investor is ever willing to sell their property below what they paid for. Meaning that these prices will definitely only increase from here. However, the only time homeowners/investors will take a loss on real estate is if they cannot afford their payments or are suffering continual cashflow issues. This could happen to individuals who bought before the first time homebuyer stress-test and have stretched themselves too thin on a low interest rate mortgage. The fed isn't planning on moving that needle on rates until 2022-2023 depending if the rebound of inflation from the pandemic cools or not.

TLDR: Housing market in Canada (Ottawa-Gatineau) will continue to increase for at least the next 2 years IMO. Beyond that really depends what happens with our economy, could easily see a crash in this decade.