Canadian lenders use GDS (housing costs / income) and TDS (housing + other debts / income) with the mortgage stress test. This calculator applies both.
Max purchase price
$587,274
Loan of $487,274 + your down payment
Payment at contract rate
$2,776
Actual monthly at 4.79%
Stress test rate used: 6.79% (greater of contract + 2% or 5.25% floor).
Housing budget: $3,900 / month (GDS/TDS limits).
Principal & interest budget: $3,350 / month after taxes and heat.
B-lenders and alternative programs use looser ratios and their own qualifying rate — ask if this ceiling feels tight.