September 29, 2026

How Much House Can I Afford? A Canadian Guide

A lender may approve you for a mortgage amount that looks exciting on paper. But the number that lets you keep saving, enjoy family life, handle a repair, and sleep well at night is often different. When you ask, how much house can I afford, the most useful answer combines lending rules with an honest look at your real life.

For Canadian buyers, affordability is shaped by your income, monthly debts, down payment, mortgage rate, property taxes, heating costs, and the federal mortgage stress test. Your ideal price range also depends on what matters after closing: childcare, travel, retirement savings, supporting family, or simply having room in the budget when life changes.

Start with your monthly payment, not the listing price

It is easy to focus on a home’s purchase price. Yet the monthly carrying cost is what will stay with you long after the offer is accepted. A $700,000 home can feel very different from one neighbourhood to another if property taxes, condo fees, insurance, or utility costs are substantially higher.

Your housing payment should account for the mortgage principal and interest, property taxes, and heating costs. If you are buying a condominium, add condo fees. Home insurance, which is generally not included in lender affordability ratios, should also be part of your personal budget.

A mortgage payment calculator can give you a starting point, but use current rate assumptions and test more than one scenario. Try a payment at today’s rate, then see how it changes if rates are higher at renewal. A home should support your next chapter, not leave every future choice dependent on a perfect financial month.

How lenders determine how much house you can afford

Canadian lenders generally look at two key debt-service measures: your gross debt service ratio, often called GDS, and your total debt service ratio, or TDS.

GDS measures the share of your gross household income needed for housing expenses. Those expenses usually include your mortgage payment, property taxes, heating costs, and half of applicable condo fees. TDS adds other monthly obligations, such as car loans, lines of credit, credit card balances, student loans, and support payments.

Many lenders use guidelines around 39% for GDS and 44% for TDS, though the limits can vary by lender, mortgage product, credit profile, and other circumstances. These ratios help establish what may be possible to borrow. They are not a promise that the resulting payment will feel comfortable for your household.

The mortgage stress test matters

For many insured and uninsured mortgages in Canada, you must qualify at the higher of your contract mortgage rate plus 2%, or 5.25%. This is known as the mortgage stress test.

For example, if your offered rate is 4.75%, you may need to qualify as though your rate were 6.75%. The test can reduce the mortgage amount you qualify for, but it also provides a valuable buffer. Homeownership is a long-term commitment, and rates, income, and expenses can all change over time.

Build the budget lenders do not see

A pre-approval is a meaningful step, but it does not know your priorities. It cannot see the cost of a growing family, a planned career change, recurring medical expenses, pet care, or the fact that you want to keep contributing to an RESP or retirement account.

Before deciding on a maximum purchase price, review three to six months of actual spending. Separate fixed commitments from flexible spending, then set aside money for the costs that are easy to underestimate. These may include maintenance, furnishings, commuting, seasonal utilities, internet, landscaping, snow removal, and unexpected repairs.

Home maintenance is especially important for freehold properties. A practical rule of thumb is to reserve roughly 1% to 3% of a home’s value each year, depending on its age, condition, and features. You may not spend that amount annually, but a roof, furnace, appliance, or plumbing issue rarely arrives on a convenient schedule.

If buying a condo, read the status certificate carefully with professional guidance. Condo fees may cover certain building costs, but they can rise, and special assessments are possible. The right purchase decision comes from understanding what is included, what is not, and the financial health of the corporation.

Your down payment changes more than the purchase price

In Canada, the minimum down payment is generally 5% on the first $500,000 of a home’s purchase price and 10% on the portion from $500,000 to $1.5 million. Homes priced at $1.5 million or more generally require a minimum 20% down payment.

A down payment of less than 20% usually requires mortgage loan insurance. That premium is typically added to the mortgage, increasing the amount you repay. A larger down payment can reduce your payment and may broaden your options, but it is not always wise to use every dollar you have available.

Keep funds aside for closing costs and an emergency reserve. Closing costs can include legal fees, title insurance, a home inspection, appraisal costs, adjustments, moving expenses, and provincial or municipal land transfer taxes where applicable. First-time buyers may qualify for rebates in some locations, but eligibility and amounts vary.

A strong offer is not just one with a large down payment. It is one that leaves you prepared for the first months of ownership.

Set a purchase range with room to breathe

Rather than searching only at the very top of your pre-approved amount, create three numbers: a comfortable target, a stretch target, and an absolute ceiling. Your comfortable target should allow you to maintain the life you value while meeting your housing costs. Your stretch target may work for the right property, but only after you have tested the trade-offs. Your ceiling is a guardrail, not a goal.

Ask direct questions as you compare homes. Could you manage the payment if one income paused for several months? Would a longer commute erase the savings from a lower purchase price? Does the home need renovations immediately? If you are competing in a multiple-offer situation, can you remain confident in the price after the excitement fades?

This perspective can also reveal that a less expensive home in a better location is the stronger fit, or that waiting to save more is the right move. Affordability is not only about qualifying. It is about buying with clarity.

Work with professionals early

Speak with a mortgage professional before you become attached to a particular home. They can explain the documents required, compare financing approaches, clarify your qualification range, and help you understand how different down payments or amortization periods affect the numbers.

A local real estate professional adds another essential layer: market context. They can help you assess recent comparable sales, likely property taxes, neighbourhood considerations, condo documentation, and the practical condition of a home. In a fast-moving market, this support helps you make a well-informed decision without treating your financial limit as a bidding strategy.

EXIT Realty believes a home purchase deserves more than a quick calculation. The right agent relationship is built around listening to your plans, respecting your budget, and helping you move forward with confidence.

The best home is not necessarily the most expensive one you can finance. It is the one that fits your daily life now, gives your future plans a fair chance, and still feels like a place where you can build the life you want.