Housing Supply
Understand housing supply in Canadian real estate — how it's shaped, why shortages happen, and what it means for affordability and planning.

June 09, 2025
What is Housing Supply?
Housing supply refers to the total number of homes — both for sale and under construction — available to meet the housing needs of a population in a specific area.
Why Housing Supply Matters in Real Estate
In Canadian housing policy and real estate, the balance between housing supply and demand determines affordability, vacancy rates, and development trends.
Factors influencing housing supply:
- New home construction and zoning approvals
- Demolition or redevelopment projects
- Government incentives or regulations
- Availability of land and infrastructure
A shortage in housing supply contributes to affordability crises in cities like Toronto and Vancouver, prompting new municipal and federal strategies.
Understanding housing supply dynamics is vital for real estate professionals, policymakers, and planners focused on equitable growth.
Example of Housing Supply in Action
To address housing supply shortages, the city announced a policy to fast-track approvals for multi-unit residential developments.
Key Takeaways
- Reflects total homes available and being built
- Affects affordability and rental vacancy
- Influenced by planning and regulation
- Shortages drive market pressure
- Central to housing policy debates
Related Terms
- Housing Affordability
- Zoning
- New Construction
- Market Type
- Housing Inventory










Average and median describe different aspects of the same month’s transactions. Both are affected by the mix of homes sold.
Category averages compare different homes and locations; the gaps are not estimates of the cost to upgrade an otherwise identical property.
The five categories shown account for 5,000 of the board’s 5,057 sales. The remaining 57 transactions were in other housing categories.
Monthly observations are not seasonally adjusted. Active listings count properties available at month-end; they are not construction inventory.
Average and median prices share one dollar axis. These unadjusted transaction measures do not control for changes in the homes sold.
TRREB’s 416/905 categories compare the apartments sold in each area. The difference does not isolate a location premium for equivalent units.

5680 Oak Street in Vancouver and its surrounding context. (MCMP Architects)
Ground-level renderings of the tower proposed for 5680 Oak Street in Vancouver. (MCMP Architects)
