Canada Refinancing Guide

Refinancing in Canada means replacing your existing mortgage with a new one — either with your current lender or a different one. Borrowers refinance to: (1) get a lower interest rate; (2) access home equity as cash (cash-out refinance); (3) change from a variable to a fixed rate (or vice versa); (4) change the amortization period; (5) consolidate other high-interest debts. In Canada, refinancing before your renewal date typically triggers a prepayment penalty — the most significant cost to evaluate before refinancing. Most closed Canadian mortgages have penalties for early breakage. See prepayment penalty glossary and FCAC — Refinancing your mortgage.

For fixed-rate mortgages in Canada, the break penalty is the greater of: (a) 3 months' interest, or (b) the Interest Rate Differential (IRD). The IRD is calculated as: (your rate − the lender's current posted rate for the remaining term) × outstanding balance × remaining months. Example: $450,000 balance, 4.99% rate, 30 months remaining, lender's 30-month posted rate is 3.99%. IRD = (4.99% − 3.99%) × $450,000 × 30/12 = 1% × $450,000 × 2.5 years = $11,250. If 3 months' interest = $450,000 × 4.99% × 3/12 = $5,614, the IRD of $11,250 is larger and applies. Big banks use more complex IRD formulas (discounted vs. posted rate spread) that result in higher penalties — monoline lenders typically have lower IRD penalties. See FCAC — Mortgage prepayment penalties.

A blend-and-extend allows you to refinance your mortgage at a blended rate without paying a full break penalty. Your current lender blends your existing rate with the current rate and extends your term. Example: you have 2 years left at 5.5% and current rates are 4.5%. A blend-and-extend might offer 5.0% for a new 5-year term — averaging the old and new rates. The advantage: you avoid paying the IRD upfront. The disadvantage: you don't get the full benefit of current lower rates — the blended rate is higher than a clean refinance. Blend-and-extend is offered only by your existing lender, so you cannot comparison shop. Compare the total cost of blend-and-extend vs. paying the penalty and refinancing at the lowest available rate. See mortgage renewal strategy Canada.

In Canada, you can refinance your mortgage and take equity as cash — subject to the 80% LTV rule. Maximum refinance amount = 80% of the appraised home value. Example: $800,000 home, $500,000 existing mortgage. Maximum new mortgage = $640,000. Cash available = $640,000 − $500,000 = $140,000. The new total mortgage exceeds the insured limit ($1.5M after 2024 changes) only if the purchase price did — refinances do not qualify for CMHC insurance. At refinance, the stress test applies at the new rate + 2% (or 5.25% floor). Cash-out refinance uses include: home renovation, debt consolidation, investment, or down payment for a second property. See HELOC vs. cash-out refinance alternatives and FCAC — Refinancing.

Refinancing makes sense when: (1) Rate savings exceed penalty: if you can save 0.5%+ and have 2+ years remaining, the savings often exceed the break penalty — do the math; (2) At renewal: no penalty applies — always compare multiple lenders at renewal (and since Nov 2023, the stress test is not applied for straight renewal switches); (3) Converting variable to fixed: if you want payment certainty and rates are at a level you're comfortable locking in; (4) Debt consolidation: if you have high-interest consumer debt that can be rolled into a lower mortgage rate, the after-tax savings may justify refinancing costs; (5) Life change: divorce, inherited property, or partnership buyout often requires refinancing to restructure ownership. Use the Canadian mortgage calculator to compare payment scenarios.

Yes — you can refinance with any lender at any time. Since November 2023, the stress test exemption for renewal switches applies to all federally regulated lenders (not just your existing lender) for straight switches without loan changes. For full refinances (changing loan amount, amortization, or cashing out), all lenders apply the stress test. When switching to a new lender, your new lender pays off your existing mortgage. You will pay a discharge fee to your existing lender ($200–$350) and typically the IRD or 3-month penalty. The new lender may offer to cover some or all switching costs (legal fees, appraisal) as an incentive. Always compare offers from multiple lenders and mortgage brokers at renewal. See how to use a mortgage broker.