Canada Home Affordability Calculator
How much home you can afford using the GDS 32% / TDS 40% rule, with max price and payment breakdown.
PercentAmount
25 years30 years
Max housing
$3,200
Max home price
Max loan amount
$452,390
Down payment
$50,266 (10.0%)
Max housing payment
$3,200.00
P&I $2,631.12Property tax $418.88Heating $150.00
Your budget is capped by the GDS (32% of income) ratio. GDS limit: $3,200.00 · TDS limit: $3,500.00 per month.
Loan balance over time
Remaining principal on the max loan at the end of each year.
Amortization schedule
Expand allYearly summary for the max loan — click a row for monthly detail.
| Year | Paid | Principal | Interest | Balance |
|---|---|---|---|---|
| Year 1 | $31,573 | $9,397 | $22,176 | $442,992 |
| Year 2 | $31,573 | $9,873 | $21,700 | $433,119 |
| Year 3 | $31,573 | $10,373 | $21,201 | $422,746 |
| Year 4 | $31,573 | $10,898 | $20,675 | $411,848 |
| Year 5 | $31,573 | $11,450 | $20,124 | $400,399 |
| Year 6 | $31,573 | $12,029 | $19,544 | $388,369 |
| Year 7 | $31,573 | $12,638 | $18,935 | $375,731 |
| Year 8 | $31,573 | $13,278 | $18,295 | $362,453 |
| Year 9 | $31,573 | $13,950 | $17,623 | $348,503 |
| Year 10 | $31,573 | $14,657 | $16,917 | $333,846 |
| Year 11 | $31,573 | $15,399 | $16,175 | $318,448 |
| Year 12 | $31,573 | $16,178 | $15,395 | $302,269 |
| Year 13 | $31,573 | $16,997 | $14,576 | $285,272 |
| Year 14 | $31,573 | $17,858 | $13,716 | $267,415 |
| Year 15 | $31,573 | $18,762 | $12,812 | $248,653 |
| Year 16 | $31,573 | $19,711 | $11,862 | $228,942 |
| Year 17 | $31,573 | $20,709 | $10,864 | $208,232 |
| Year 18 | $31,573 | $21,758 | $9,816 | $186,474 |
| Year 19 | $31,573 | $22,859 | $8,714 | $163,615 |
| Year 20 | $31,573 | $24,016 | $7,557 | $139,599 |
| Year 21 | $31,573 | $25,232 | $6,341 | $114,366 |
| Year 22 | $31,573 | $26,510 | $5,064 | $87,857 |
| Year 23 | $31,573 | $27,852 | $3,722 | $60,005 |
| Year 24 | $31,573 | $29,262 | $2,312 | $30,743 |
| Year 25 | $31,573 | $30,743 | $830 | $0 |
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The GDS / TDS rule
| Ratio | Limit | Includes |
|---|---|---|
| GDS (Gross Debt Service) | ≤ 32% | Mortgage + property tax + heating + 50% condo fees |
| TDS (Total Debt Service) | ≤ 40% | GDS costs + all other debt payments |
Your maximum affordable home is limited by whichever ratio binds first. Reducing other monthly debts raises your TDS room; a larger down payment raises the price you can reach for a given payment.
Estimates only and not a mortgage pre-approval. Lenders apply the federal stress test and assess credit, income stability and other factors. Confirm with your lender or mortgage broker.
Frequently Asked Questions
- What are GDS and TDS?
- Gross Debt Service (GDS) is your housing costs — mortgage, property tax, heating and half of any condo fees — as a percentage of gross income. Total Debt Service (TDS) adds all your other debt payments. Lenders typically cap GDS at 32% and TDS at 40%.
- How is the maximum price calculated?
- The calculator finds the smaller of your GDS and TDS housing budgets, subtracts fixed costs (property tax and heating), and back-solves the largest mortgage and price that fit — using Canadian semi-annual-compounding rates.
- Does it include the mortgage stress test?
- No. Lenders also qualify you at a higher "stress test" rate (the greater of your rate + 2% or 5.25%). For a conservative estimate, enter a rate about 2% above your actual rate.
- What down payment should I use?
- The Canadian minimum is 5% (and 10% on the portion of a home price above $500,000). Under 20% you will also pay CMHC insurance, which the dedicated mortgage calculator factors in.
- Is heating really part of the ratio?
- Yes. Lenders include an estimated monthly heating cost in GDS and TDS, along with property tax and 50% of condo fees.
📅 Last updated: June 2026 · Formulas follow standard banking / tax conventions · Results are for reference only.