Mortgage Comparisons

Renew vs Switch vs Refinance

A detailed comparison of renewing with the current lender, switching a mortgage to a new lender and refinancing: qualification, stress-test treatment, amortization, equity takeout, legal/registration costs, collateral charges and when each transaction changes the borrower’s risk.

Published August 14, 2026 Fact-checked August 14, 2026 Ontario, Canada

Mortgage maturity comparison

Choose the transaction before comparing the rate

Renewal, switching and refinancing can all happen around the same maturity date, but they solve different problems. **Renewal changes the next term, a switch changes the lender, and a refinance changes the debt structure.**

The three paths change different parts of the mortgage

At maturity, borrowers often compare rates before deciding what transaction they are actually asking for. Reverse that order. First decide whether the goal is to keep the same lender, move essentially the same mortgage, or restructure the debt. Then compare products within the correct category.

A transaction that starts as a switch can become a refinance if the borrower increases the mortgage for debt consolidation or extends the remaining amortization beyond the conditions of a straight switch. That change can alter qualification and costs.

Renew vs switch vs refinance
DimensionRenewSwitch / transferRefinance
LenderCurrent lenderNew lenderCurrent or new lender
Loan amountUsually existing maturity balanceUsually existing balance for a straight switchCan increase/decrease
Remaining amortizationNormally continues, subject to renewal choicesMust not increase for OSFI uninsured straight-switch exemptionCan be changed subject to lender/product rules
Equity takeoutNo, unless transaction becomes a refinanceNot in a straight switchYes, if approved
New underwritingCurrent lender process variesNew lender must approveNew lender/current lender underwrites new structure
Prescribed MQRRenewal treatment depends on lender/product/regimeSpecific exemptions can apply to qualifying straight switchesOrdinary applicable qualification rules generally apply
Legal/registration workCan be limited if security stays unchangedOften transfer/discharge/registration workUsually new/refreshed registration and payouts
Best useNew term suits borrower and current lender is competitiveAnother lender offers better fit without needing debt restructuringBorrower needs equity, debt consolidation, amortization or structure change

Renewing with the same lender can involve fewer moving parts—but the decision still matters

A renewal with the current lender can avoid the time and some costs of moving security. It can also preserve a product relationship or connected accounts. But simplicity is not evidence that the offered rate, term or features are competitive.

FCAC encourages borrowers to shop before term end and notes that automatic renewal may not provide the best rate and conditions. A borrower who stays should be able to explain why the current lender’s overall offer still fits.

A switch changes lender without using the property as a source of new cash

In a straightforward transfer, the incoming lender pays out the old lender and registers or takes security in the approved form. The borrower is not trying to extract equity; the objective is to move the existing mortgage relationship.

The incoming lender can require updated income/credit/property evidence and may use different approval criteria. FCAC also identifies possible discharge, registration, transfer/assignment, appraisal and administration costs, although a new lender may choose to cover some costs.

The uninsured straight-switch MQR exemption has exact boundaries

OSFI’s current exemption applies to a stand-alone uninsured mortgage moving from one federally regulated financial institution to another, with no increase in remaining contractual amortization or loan amount except OSFI’s limited allowance for certain transaction costs. Equity takeout is not allowed.

OSFI expressly says the incoming lender should still assess the loan like a new origination under sound underwriting principles. If the borrower adds debt, extends amortization or is moving a readvanceable combined plan, do not assume the straight-switch exemption applies.

Refinancing changes your debt structure, so compare more than the new payment

A refinance can consolidate debts, access equity, change amortization or replace multiple secured facilities. That flexibility can be valuable, but it can also convert shorter-term debt into a long mortgage and reset the repayment clock.

Compare net proceeds, new payment, total interest over the intended holding period, remaining amortization and exit costs. If a lower payment comes mainly from stretching the debt longer, it is payment relief—not debt elimination.

Collateral-charge and readvanceable products can turn a simple switch into a more complicated legal move

FCAC notes that a collateral charge can secure more than the mortgage itself and that connected loans may need to be repaid or transferred before the charge is removed. Readvanceable combined loan plans are also outside OSFI’s uninsured straight-switch exemption.

Before comparing switch rates, identify everything secured by the existing charge. A borrower who overlooks a connected HELOC can underestimate both the legal work and the amount that must be moved.

Use a break-even test instead of assuming the lowest rate wins

Estimate switching/refinance costs, any lender credits, expected interest/payment savings and the period you realistically expect to keep the new mortgage. If the upfront cost takes three years to recover but you expect to sell in eighteen months, the cheaper headline rate may not create a cheaper transaction.

At maturity, an ordinary prepayment penalty may not apply in the same way as breaking a closed mortgage early, but discharge, legal, registration, appraisal or administration costs can still exist. Verify the current contracts and lender quotes.

The right path is the one that solves the actual maturity problem

Choose renew when the current lender’s structure is suitable and competitive. Choose switch when the mortgage itself can remain substantially intact but another lender offers a better overall fit. Choose refinance when the borrower needs to change the debt itself.

If the goal cannot be stated without mentioning the rate, the analysis is probably incomplete. The transaction should solve a financing objective, not merely produce a lower advertised number.

Evidence and factual governance

Sources and verification

This knowledge resource is governed by the primary or authoritative sources below. Sources were last checked on August 14, 2026. Product availability, lender policy and individual legal or tax consequences must still be confirmed for the actual transaction.