Mortgage Affordability Optimizer

Inputs

Mortgage Amount ($)

Interest Rate (% nominal)

Amortization (years)

Term (years)

Default Insurance (CMHC / Sagen / Canada Guaranty)

Enable

Purchase Price ($)

Down Payment ($)

Province (premium tax)

30-yr Amortization Eligible?

Non-Traditional Down Payment?

Applies only at 90.01–95% LTV. Non-traditional sources (e.g. borrowed down payment) attract a 4.50% premium instead of 4.00% per CMHC policy.

Enter purchase price and down payment to calculate insurance.

Mortgage Levers

Payment Frequency

Interest Rate (% nominal)

Amortization (years)

Annual Prepayment (% of original mortgage / year)

Adds a fixed extra payment each period equal to X% of the original mortgage ÷ payments per year (e.g. 10% on $500k monthly = $4,167/mo extra). Most lenders cap this at 10–20% of original principal per year.

Lump-Sum Now (% of mortgage)

Prepayment at Renewal (% of balance at each renewal)

Round Up Payments (to next $10)