What costs should I include in a mortgage affordability estimate?

Beyond the mortgage payment itself, it is helpful to include property taxes, heating or utilities, condo fees if applicable, and any recurring debt payments.

Why is mortgage affordability different from mortgage approval?

Mortgage approval focuses on whether a lender may qualify you, while affordability is about whether the payment and carrying costs fit comfortably inside your real monthly financial life.

Mortgage Affordability Calculator

Determine your maximum purchasing power based on the federal Stress Test, CMHC guidelines, and provincial closing costs.

OSFI Stress Test Compliant GDS / TDS Factored

1. Financial Levers

Household Gross Income $120,000

Available Down Payment $60,000

Monthly Debt (Auto, Cards, Loans) $400

2. Parameters

Target Province

Market Rate

First-Time Home Buyer (Applies LTT Rebates)

Amortization Preference

3. Property Expenses

Annual Property Tax

Monthly Heating

Monthly Condo/Strata Fees

* 50% of condo fees are used in debt servicing calculations per guidelines.

Disclaimer for Planning Purposes This calculator is provided for illustrative and educational purposes only. Projections utilize the standard Office of the Superintendent of Financial Institutions (OSFI) stress test and baseline compounding mathematics. Land transfer taxes are estimates. Approval amounts will vary by lender, credit score, and specific property details. Always consult a certified mortgage professional before making real estate decisions.

Mortgage Affordability Calculator Canada Estimate your home-buying range

Learn how it works

Mortgage Affordability Calculator (Canada)

Q: What does a mortgage affordability calculator do?

A mortgage affordability calculator helps estimate how much home you may be able to afford based on income, down payment, mortgage rate, amortization, debt payments, and homeownership costs such as property taxes, heating, and condo fees.

This mortgage affordability calculator helps Canadians estimate how much house they may be able to afford based on income, down payment, mortgage rate, amortization, monthly debt payments, and key homeownership costs like property taxes, heating, and condo fees. Instead of looking only at the mortgage payment, this tool helps you build a more realistic view of what owning a home could cost each month.

What this calculator does

The calculator is designed to help you estimate a home price range that fits your financial picture. By combining your income, debts, down payment, mortgage details, and monthly ownership costs, it gives you a more useful starting point than a rough guess or a listing-site payment estimate.

That matters because affordability is not just about what a lender may approve. It is also about what fits comfortably inside your monthly life after the bills are paid and you still have room for savings, emergencies, and everything else.

Why this calculator is useful

A lot of people focus only on the mortgage amount and overlook the rest of the carrying costs. This calculator helps close that gap by factoring in some of the costs that can quickly change what “affordable” actually feels like month to month.

It is a planning tool meant to help you set a smarter target before you shop, compare scenarios, or talk to a lender.

How to use the Mortgage Affordability Calculator

Start by entering your household income, down payment, mortgage rate, amortization period, and any recurring debt payments. From there, add the housing costs that are easy to underestimate, such as property taxes, heating, and condo fees if they apply to your situation. Once those numbers are in place, the calculator can give you a more complete estimate of what homeownership may look like at different price points.

The most useful way to approach the result is as a planning range, not a permission slip to max out your budget. If the number feels high, you can test different down payments, rates, or debt levels to see how each change affects affordability.

What affects mortgage affordability in Canada

A few core inputs do most of the work. Income helps set the ceiling. Debt payments reduce flexibility. Interest rates change how much of each payment goes toward interest instead of principal. A larger down payment can lower the total mortgage amount, while added costs like property taxes, condo fees, and heating can reduce how much room you really have in your budget.

That is why two buyers with the same salary can end up with very different affordability results. The details matter, and this calculator is built to reflect more of them.

Helpful next steps

After using the calculator, it can be helpful to pressure-test the result against the rest of your finances. The Budget Planner Tool can help you see whether the estimated payment fits your monthly cash flow. If you want to go deeper into amortization and extra payments, the Mortgage Payoff Calculator is the natural next step.

For a broader look at related content, you can also visit the Mortgage Hub, the Canada Income Tax Calculator, or the Net Worth Tracker.