Stress Test + GDS/TDS

Mortgage Affordability Calculator (BC)

Find your real maximum purchase price — using the Canadian stress test, GDS, and TDS ratios, just like a lender would.

Income & Debts

$140,000
$500

Car loans, credit cards, student loans, etc.

$100,000

Mortgage Terms

4.89%

Property Running Costs

(estimates, used in ratios)
$3,600
$150
$0

50% counted toward GDS per OSFI guidelines

Estimated Max Purchase Price

$697,809

$597,809 mortgage + $100,000 down payment

Payment Breakdown

Max Mortgage

$597,809

Monthly Payment (at contract rate)

At 4.89%, 25 yr amortization

$3,457

Stress-Tested Payment

Qualifying at 6.89%

$4,183

Qualification Ratios

GDS Ratio
39.7% / 39.0%
TDS Ratio
44.0% / 44.0%

Ratios calculated at the stress test rate (6.9%) on max mortgage. GDS limit 39%, TDS limit 44% per most A-lenders.

Estimates only. These figures are not a pre-approval. Actual qualification depends on credit score, employment type, down payment source, and lender-specific policies. Contact us for a free pre-qualification.

How Mortgage Affordability Works in Canada

What is the Canadian mortgage stress test?

The stress test requires lenders to qualify you at the higher of your contract rate plus 2%, or the regulatory floor of 5.25%. This ensures you could still make payments if rates rise. It applies to all federally regulated lenders in Canada.

What are GDS and TDS ratios?

GDS (Gross Debt Service) measures your housing costs — mortgage payment, property tax, heat, and 50% of strata fees — as a percentage of gross monthly income. Most lenders require GDS ≤ 39%. TDS (Total Debt Service) adds all other monthly debts (car loans, credit cards, student loans) to the housing costs. Most lenders require TDS ≤ 44%.

Can I qualify for more than this calculator shows?

Yes, in some cases. Some lenders — especially B-lenders and credit unions — allow higher GDS/TDS ratios. Rental income from the property can also increase your qualifying amount. This calculator uses the standard 39% GDS / 44% TDS limits and the stress test. A mortgage broker can model your scenario across multiple lenders.

Does the calculator include the down payment?

Yes. Your maximum purchase price is your maximum mortgage plus your down payment. The calculator shows both numbers. It does not account for CMHC insurance premiums, which are added to the mortgage for purchases with less than 20% down — this means the actual maximum insured mortgage may be slightly lower than shown.

Know Your Number. Then Let's Find the Rate.

A pre-approval locks your rate for up to 120 days and shows sellers you're serious. No credit check required for an initial consultation.