Mortgage Stress Test

Understand Canada’s mortgage stress test, how it impacts borrowing power, and what buyers can do to qualify under current regulations.

Mortgage Stress Test

May 22, 2025


What is a Mortgage Stress Test?

The mortgage stress test is a federal requirement that ensures Canadian borrowers can afford their mortgage payments even if interest rates rise in the future.

Why Mortgage Stress Tests Matter in Real Estate

Introduced by the Office of the Superintendent of Financial Institutions (OSFI), the mortgage stress test applies to all new mortgage applications, whether insured or uninsured.

To qualify, borrowers must prove they can afford payments at:
  • The Bank of Canada’s qualifying rate (currently 5.25%); or
  • Their contract rate plus 2%
The stress test applies to:
  • New home purchases
  • Mortgage renewals with a new lender
  • Refinancing applications

Its purpose is to reduce the risk of default and ensure borrowers aren’t over-leveraged in fluctuating economic conditions. While it lowers maximum borrowing amounts, it also promotes financial stability.

Buyers who fail the stress test may need to:
  • Increase their down payment
  • Choose a less expensive home
  • Work with alternative lenders

Understanding the stress test helps buyers prepare for approval hurdles and align their expectations with what lenders will offer.

Example of a Mortgage Stress Test

A borrower offered a mortgage at 4.7% must qualify at 6.7% (4.7% + 2%) under the stress test, reducing their maximum purchase budget by $50,000.

Key Takeaways

  • Required for most mortgage approvals.
  • Uses higher qualifying rate to test affordability.
  • Reduces max borrowing capacity.
  • Aims to prevent financial overextension.
  • Crucial to factor into purchase planning.

Related Terms

Additional Terms

Sales-To-New-Listings Ratio (SNLR)

The Sales-To-New-Listings Ratio (SNLR) is a real estate metric that compares the number of homes sold to the number of new listings in a given period.. more

Market Type

Market type refers to the classification of a real estate market based on supply, demand, and pricing trends, typically categorized as buyer’s,. more

Outparcels

Outparcels are stand-alone commercial properties located near or on the outer edge of a larger retail or shopping centre complex.. more

Halo Effect

The halo effect in real estate refers to the positive influence that a popular or high-end development has on the surrounding property values and. more

Sump Pump

A sump pump is a mechanical device installed in the lowest part of a basement or crawl space to remove accumulated water and prevent flooding.. more

Structural Integrity

Structural integrity refers to a building’s ability to withstand its intended loads without failure, deformation, or collapse during its lifecycle.. more

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