Mortgage Affordability Calculator (Canada, 2026 Stress Test) (embed)

I want to know

Province

First-time buyer?

You

Your gross annual income

Before tax. Include salary, bonus and self-employment income (a 2-year average)

Co-applicant's income

Partner or co-signer. 0 if buying alone

Down payment you have

The mortgage and the home

Mortgage rate quoted

Amortization

years

Monthly housing budget you'd be comfortable with

0 = use the 32% rule of thumb

More options

You

Car loan or lease, per month

Credit card balances

Lenders count 3% a month

Line of credit balance

Also counted at 3% a month

Student loan, per month

Other payments, per month

Child support, other loans

The mortgage and the home

Property tax per month (estimate)

Heat per month

Condo fees per month (half counts)

You can afford a home up to$671,800A $636,272 mortgage (including $24,472 of insurance) with your $60,000 down. Payment $3,521.59 a month at 4.5%, about $3,972 with tax and heat. What limits you: your income (the GDS limit). Comfortably, at 32% of income, aim for about $554,700 ($2,822.91 a month).

Lender's test	Yours	Limit
Housing costs (GDS)	39.0% · $4,712/mo	39% · $4,713/mo
Housing + $450/mo debts (TDS)	42.7% · $5,162/mo	44% · $5,317/mo
Payment at the 6.50% stress-test rate		$4,261.90
Minimum down payment at $671,800		$42,180
Ratios are shares of $145,000 income; insured (under 20% down) limits

What would raise the number

Earn $10,000 more a year	+$46,700 → $718,500
Add $20,000 to the down payment	+$25,400 → $697,200
Clear $300 a month of debt payments	no change
Rate 0.5% lower	+$28,700 → $700,500
30-year amortization	+$41,200 → $713,000

Show the math

Lenders cap your housing costs (mortgage payment at the stress-test rate + property tax + heat + half of condo fees) at 39% of gross income (GDS) and housing costs plus other debt payments at 44% (TDS). Credit-card and line-of-credit balances count as 3% a month. The stress-test rate is the higher of your rate + 2% and 5.25%. Down payment: 5% of the first $500,000 and 10% of the rest under $1,500,000, 20% at or above it; under 20% down the CMHC premium is added to the loan. The maximum price is found by bisection because the premium and the tiers make it non-linear. "Comfortable" uses CMHC's 32% rule of thumb in place of the GDS limit. Lenders also look at credit score and history, which this cannot see.