Should I choose fixed or variable at mortgage renewal?

It depends on your budget, comfort level and future plans rather than on a prediction about interest rates. A fixed rate provides payment certainty and may be more comfortable when the monthly budget is tight. A variable mortgage may offer flexibility and potential savings if rates decline, but the payment or the amount going toward principal can change. The right mortgage is the one that still works if life or the market changes.

How do penalties differ between fixed and variable mortgages?

A variable mortgage typically carries a penalty of around three months' interest. A fixed mortgage uses the interest rate differential, which can be very much larger - often a difference of thousands. If there is a realistic chance of breaking the term early, that alone can decide the question.

Do all variable rate mortgages have changing payments?

No. On some variable products the payment moves with the rate. On others the payment stays level and the split between interest and principal changes instead, which can mean the balance falls more slowly than expected. Ask which type is being offered, because they behave very differently in a rising market.

Answers › Mortgage Renewal

Should I choose a fixed or variable rate at renewal?

Answered by Rajiv Verma, Mortgage Broker · Reviewed 18 August 2026 · About a 3 minute read

The direct answer

It depends on your budget, your comfort level and your plans — not on a prediction about interest rates. Fixed gives payment certainty and is often more comfortable when the monthly budget is tight. Variable offers flexibility and potential savings if rates fall, but your payment — or the share going to principal — can change. The right mortgage is the one that still works if life or the market changes.

THE SHORT VERSION

Not a rate prediction. Anyone selling you one is guessing.
Fixed — certainty; better when the budget is tight
Variable — flexibility and potential saving; the payment or principal share can move
Penalties differ — and that matters if you might break early
Compare payment, penalty, rate risk and your plans together

Why the usual framing is wrong

People ask which will cost less. That question can only be answered afterwards.

The better question is: which mortgage still works if things don’t go as expected? Rates move, jobs change, plans change. A mortgage chosen on a forecast is a mortgage that depends on the forecast being right.

What actually decides it

How tight is the monthly budget? If a payment increase would be genuinely difficult, fixed buys certainty — and that certainty is worth paying for. This is the most important question and it isn’t about rates at all.

How would you feel if the payment moved? Some people are untroubled. Others check the news anxiously. That’s a real cost, and it belongs in the decision.

What are your plans for the property? Selling, moving or refinancing mid-term makes the penalty structure far more important than the rate.

How long is the term? Matching the term to your horizon often matters more than the fixed-versus-variable question itself.

The penalty difference — the part people miss

If you break early, the two are not comparable. A variable mortgage typically carries a penalty of around three months’ interest. A fixed mortgage uses the interest rate differential, which can be very much larger. The difference is frequently thousands, and it only shows up at the worst possible moment.

If there’s a realistic chance you’ll break the term, that alone can decide the question.

One thing to check on a variable

Variable products differ. On some, the payment moves with the rate. On others the payment stays level and the split between interest and principal changes instead — which can mean your balance falls more slowly than you expected.

Ask which type you’re being offered. They behave very differently in a rising market, and the difference is rarely explained.

Side by side

	Fixed	Variable
Payment certainty	Yes	Depends on the product
Benefits if rates fall	No	Yes
Penalty to break	IRD — can be large	Usually ~3 months’ interest
Suits a tight budget	Yes	Less so
Suits mid-term flexibility	Less so	Yes

When neither is the real question

When the payment doesn’t work either way. Then the issue is the amount or the amortisation, not the rate type.

When you’re chasing a small difference. A few basis points matters far less than prepayment privileges, the penalty method, and the term.

When someone tells you confidently what rates will do. Treat that as a reason for caution, not confidence.

What to do next

Send me your renewal offer, your balance and what you’re planning for the property. I’ll compare the payment, the possible penalty, the rate risk and your plans — and give you a recommendation with the reasoning attached, not just a rate.

Talk it through →

Related questions

Answered by Rajiv Verma, Mortgage Broker · Mortgage Architects — FSRA Brokerage Licence #12728 · Licensed in Ontario · Office 289.505.0631 · Direct 647.291.7116

General information about Ontario mortgages — not financial, legal or mortgage advice. Nothing on this page is a forecast of interest rates. Product features and penalty calculations vary by lender and are set out in your own mortgage documents. Every file is reviewed individually.