Mortgage Affordability Calculator Canada 2026

Find out how much house you can afford in Canada. Calculate your maximum purchase price based on income, debts, down payment, and current mortgage rates.

Key Takeaways

• Canadian lenders use GDS (≤39%) and TDS (≤44%) ratios to determine your maximum mortgage.
• The stress test qualifies you at contract rate + 2% or the BoC floor — whichever is higher.
• Down payment rules differ by price: 5% up to $500K, 10% on $500K–$1.5M, 20% above $1.5M.
• Affordability varies dramatically by province — Toronto and Vancouver require significantly higher incomes than Calgary or Halifax.

Understanding Mortgage Affordability in Canada

Buying a home in Canada starts with one critical question: how much can you actually afford? Canadian lenders use strict debt service ratios — the Gross Debt Service (GDS) and Total Debt Service (TDS) ratios — to determine your maximum mortgage amount. These ratios ensure your housing costs and total debt payments stay within safe limits relative to your income.

Beyond the debt service ratios, the federal mortgage stress test adds another layer. Since 2018, all federally regulated lenders must qualify borrowers at a rate higher than their contract rate, ensuring you can still make payments if interest rates rise. This calculator combines your income, debts, down payment, and current rates to estimate the maximum home price you can afford under Canadian lending rules.

How It Works

This calculator applies the same qualification criteria that Canadian lenders use. Enter your gross household income, monthly debt payments (car loans, credit card minimums, student loans, lines of credit), your available down payment, and the current mortgage rate. The calculator computes your maximum mortgage based on both GDS and TDS ratios, then takes the lower of the two as your qualifying amount.

The stress test is applied automatically: your qualifying rate is the higher of your contract rate plus 2%, or the Bank of Canada's minimum qualifying rate. The calculator also factors in estimated property taxes and heating costs, which count toward your GDS ratio. If applicable, CMHC insurance premiums are included for down payments below 20%.

Provincial Differences in Affordability

Mortgage affordability in Canada varies enormously by location. In Toronto and Vancouver, where average home prices exceed $800,000–$1,000,000, a household income of $150,000+ is often needed to qualify for a typical detached home. In Calgary, Edmonton, or Halifax, the same income qualifies you for significantly more property because prices are 40–60% lower.

Provincial costs also affect affordability beyond the mortgage itself. Ontario and BC charge substantial land transfer taxes that increase upfront costs. Toronto buyers face a double land transfer tax (provincial + municipal). Alberta and Saskatchewan have no traditional land transfer tax, giving buyers in those provinces more cash available for their down payment.

Property tax rates also vary widely. Municipalities in Ontario and the Maritimes tend to have higher property tax rates than those in BC or Alberta, which adds to your monthly GDS calculation and reduces the mortgage you can qualify for.

How Much House Can I Afford in Major Canadian Cities?

As a rough guide based on 2026 rates: a household earning $100,000 with no other debts and a 10% down payment can typically afford a home in the $450,000–$520,000 range, depending on property taxes and heating costs in the chosen location.

In Vancouver, this budget limits options to condos or townhomes. In Toronto, similar constraints apply, though some suburban areas remain accessible. In Calgary, Edmonton, Winnipeg, or Halifax, this income can qualify for a detached home in many neighborhoods. Montreal sits in between, with good options available but strong competition in popular areas.

Use the calculator above to model your exact situation — income, debts, down payment, and location all interact to determine your maximum purchase price.

Key Facts

• Gross Debt Service (GDS) ratio must not exceed 39% — this includes mortgage payments, property taxes, heating, and 50% of condo fees.
• Total Debt Service (TDS) ratio must not exceed 44% — this adds all other debt obligations (car loans, credit cards, student loans) to GDS.
• The mortgage stress test requires you to qualify at the higher of your contract rate + 2% or the Bank of Canada's minimum qualifying rate (check for the current floor).
• A minimum 5% down payment is required for homes up to $500,000. For the portion between $500,000 and $1,499,999, 10% is required. Homes at $1,500,000 or more require 20% down.
• CMHC mortgage insurance is required for down payments below 20%, and the premium is added to your mortgage balance.
• Insured mortgages (less than 20% down) traditionally had a maximum 25-year amortization, but as of late 2024, first-time buyers and buyers of new builds can qualify for 30-year amortization even with an insured mortgage.
• Self-employed borrowers may face stricter income verification — lenders often use a 2-year income average.

FAQ

What is the mortgage stress test and why does it matter?

The stress test requires lenders to qualify you at a rate higher than your actual contract rate — specifically the greater of your contract rate plus 2% or the Bank of Canada's minimum qualifying rate. This means you must prove you can afford payments at the higher rate, even though you'll actually pay the lower contract rate. The stress test reduces your maximum borrowing power but protects you from payment shock if rates rise during your term.

What is the difference between GDS and TDS ratios?

The GDS ratio measures your housing costs as a percentage of your gross income. Housing costs include mortgage payments, property taxes, heating, and 50% of condo fees. The TDS ratio adds all your other monthly debt payments (car loans, lines of credit, credit card minimums, student loans) to the GDS calculation. Lenders require GDS to be at or below 39% and TDS at or below 44%, though some lenders may have slightly different thresholds for insured versus uninsured mortgages.

How does my down payment affect what I can afford?

A larger down payment directly increases your maximum purchase price because you're borrowing less. With less than 20% down, you'll also need CMHC mortgage insurance, which adds a premium to your mortgage balance (ranging from 2.8% to 4% of the mortgage amount). Additionally, insured mortgages have traditionally been limited to a 25-year amortization, though first-time buyers and buyers of new builds can now access 30-year amortization even with less than 20% down.

Are there special rules for first-time home buyers?

Yes. First-time buyers can access the Home Buyers' Plan (HBP) to withdraw from their RRSP for a down payment, and the First Home Savings Account (FHSA) for tax-free savings toward a home. Some provinces offer land transfer tax rebates for first-time buyers. The federal First-Time Home Buyer Incentive (shared equity program) was discontinued, but the first-time home buyer tax credit remains available. Check the CRA for current limits and eligibility.

Does rental income count toward my qualifying income?

Lenders typically allow you to include a portion of expected rental income — usually 50% to 80% of the gross rental amount — when qualifying for a mortgage on a rental or multi-unit property. The exact percentage depends on the lender and whether you have documented rental history. This additional income can increase your GDS and TDS headroom, allowing you to qualify for a higher mortgage amount.

Updated March 2026. Information on this page is provided for educational purposes only. Tax rules, rates, and government programs may change — verify details with the CRA or a qualified financial advisor.