The Canadian Mortgage Stress Test: 2026 Complete Guide

Since January 1, 2018, every Canadian who applies for a federally regulated mortgage must pass a stress test. Even if you can comfortably afford payments at today's rate, your lender must confirm you could still afford the mortgage at a higher qualifying rate. The practical effect: Canadians qualify for roughly 20% less mortgage than they would without the test.

The qualifying rate

You must qualify at the greater of:

• Your contract interest rate plus 2.00 percentage points, or
• 5.25% (the regulatory floor set by OSFI)

In 2026, with typical five-year fixed rates around 4.5%–5.5%, most borrowers qualify at their contract rate + 2%. At a contract rate of 5.00%, the qualifying rate is 7.00%.

How it affects your maximum mortgage

Lenders use the qualifying rate — not your actual rate — to determine whether your debt service ratios stay within limits:

• Gross Debt Service (GDS): housing costs must be ≤ 39% of gross income
• Total Debt Service (TDS): all debt payments must be ≤ 44% of gross income

Who must pass the stress test?

Everyone applying to a federally regulated lender. This includes new purchases, refinances, and mortgage renewals when switching lenders.

Exception: If you renew with your existing lender without increasing the loan amount, you are not stress-tested. This gives incumbent lenders a retention advantage at renewal time.

Strategies for qualifying under the stress test

1. Increase your down payment. A larger down payment reduces the required loan size directly.
2. Extend your amortization. A 25-year amortization has lower payments than a 20-year, which improves your GDS ratio.
3. Add a co-borrower. A spouse, partner, or co-signer with qualifying income adds to your borrowing capacity.
4. Pay down other debt. TDS includes car loans, student debt, and credit cards.
5. Negotiate a lower rate. Since you qualify at rate + 2%, a lower contract rate means a lower qualifying rate.

Use our calculator's Renewal Stress Test tool to see what your payment would look like at different qualifying rates.