A quarter of a percent can cost or save you over $1,000 a year. Many homeowners never notice that gap, because renewal feels like routine paperwork. It is not routine. It is a money decision.

About 1.2 million fixed-rate mortgages were set to renew in 2025 and 2026. That is a lot of mortgage holders facing the same choice in the same window. Your lender’s first offer is rarely its best one, and that is where money slips away.

Take a $700,000 home with a 10% down payment and a 25-year amortization. A 0.25% lower rate saves about $91 per month, or $1,092 per year. That is what one quarter point is worth to you.

In the sections that follow, we list the common mortgage renewal mistakes, the fix for each one, and what each error can cost you. Set your renewal date in your calendar today, because the deadline sets the pace for everything else.

Key Takeaways

• A 0.25% rate difference can save about $1,092 a year on a $700,000 home.
• Start shopping 90 to 120 days before your maturity date.
• Your lender’s first offer is rarely its best rate.
• Read the fine print, not just the rate.
• Test your budget at a higher rate before you sign.
• Check your credit about 12 months before maturity.

Waiting Until the Last Minute to Start

The lender’s letter arrives about 21 days before your term ends, which is far too late to shop. When a mortgage fixed rate ends, you should start shopping 90 to 120 days before the maturity date. That early window is where your real choices live.

Federally regulated lenders must notify you at least 21 days before your term ends. Many lenders also let you renew up to 120 days early without a prepayment charge if you stay with them. Use that window with three early steps.

• Set a calendar reminder for 120 days before maturity.
• Pull your latest mortgage statement and note your current balance.
• Write down your maturity date and the contract rate you pay now.

The renewal letter is a warning, not the starting gun.

A renewal letter also brings pressure. It sets a deadline, and that deadline pushes many people to sign the first offer they see. A small rate gap adds up over a full term, so a rushed signature can cost you.

Waiting also shrinks your time to compare. The renewal process needs room for lenders to review your file and for you to weigh each offer. Set the reminder for 120 days before maturity, since that is your start date, not your finish line.

Accepting the Lender’s First Offer Without Shopping

Your lender’s renewal offer is usually built on its posted rate, not its best one. Yes, you can negotiate a mortgage renewal by asking your current lender to match a competing rate. Many people never ask, so the first offer becomes the final one.

Even a 0.25% difference can save thousands over a term. That gap is worth a few phone calls and a short comparison.

Why the Posted Rate Is Not the Best Rate

The posted rate is the rate a lender advertises to everyone. It is a starting point, not a final price. Your contract rate, the interest rate you pay now, can differ from what another lender would offer you.

How Rate Holds Protect You While You Compare

A rate hold locks a rate for a set number of days while you shop. Many lenders offer holds of 120 to 150 days, so you can compare without racing the clock. Use that time to gather written quotes from more than one lender.

Our free mortgage webinars cover how to compare lender offers and read market rates. They are a useful way to sharpen your questions before you call.

Switching Lenders Without Losing the Rate

Switching at renewal means moving your mortgage to a new lender. A new lender treats the switch as a fresh application, covering your income, credit and debt. A switch with a federally regulated lender can avoid the stress test if the balance and amortization stay the same.

A collateral charge is a registration that secures the lender’s whole borrowing limit. That is why switching lenders usually needs a full discharge and re-registration. Bring a written competing quote back to your current lender before you sign anything.

Overlooking the Paperwork and Documents You Need

Gather your mortgage statement and proof of income before you call any lender. The documents required for mortgage renewal start with your current statement, recent pay stubs or T4 slips, and your property tax statement. Missing papers can slow the renewal process and leave you little time before the maturity date.

Your lender will also want the details of your current mortgage. Those include the balance, the contract rate and the amortization left to run. Having them ready keeps the file moving.

Documents Every Renewal Needs

Every renewal needs the same core set of papers. Keep them in one folder so you can send them within a day.

• Your current mortgage statement, showing the balance and contract rate
• Recent pay stubs or your most recent T4 slip
• Your property tax statement for the home
• Your mortgage details, including the maturity date and remaining amortization

Documents a Switch Adds

A switch adds one more step. The new lender starts a fresh file, so it will ask for the same income and credit papers again. It will also need a discharge statement from your current lender before it can register its own charge.

Income and Credit Checks

Lenders look at how much of your income goes to housing and debt. A general guideline for renewal applicants is gross debt service of 39% or less and total debt service of 44% or less. Your recent payments history shows how you handle the loan, so review it first.

Look at your credit file before the lender does. Then you can spot any errors while there is still time to fix them. Pull your credit report about 12 months before maturity so you have time to fix errors.

Renewing on Autopilot Without Checking Your Budget

An average rise of $375 a month is what renewers reported in CMHC’s 2026 survey. 35% of renewers felt more financial pressure after their payments went up. Before you sign, see how the new payment fits your monthly spending.

Mortgage holders are still anxious about money. In 2026, 39% worried about their payments, down from 53% in 2025. Household debt was 176.4% of household income in Q2 2026.

Say your new offer raises your payment by $300 a month. Would that money come from an emergency fund, a car replacement fund or another savings goal? The answer tells you whether the offer fits your life.

A lower payment can free up cash today. It can also mean more years in the mortgage, and a longer amortization usually means more interest. Even a small rise can hurt, since 44% of mortgage holders would struggle if payments rose by less than 15%.

Test your budget at a rate 1 to 2 points higher than the offer before you sign.

Choosing a Term Without Thinking About Your Plans

A five-year term is common, but it is the wrong choice if you plan to move in two years. The most common mortgage term in Canada is 5 years, and the most common amortization is 25 years. The term is the length of the contract, while amortization is the time to repay the full balance.

Match the term to the date you expect to sell or move. A fixed term locks your rate, but leaving it early can trigger a prepayment charge. That charge can sting if your plans change before the term ends.

Think about the next three years, not just the next rate. Suppose you expect to sell in two years. A five-year term could leave you paying to exit for three extra years. Ask how that plays out when your mortgage term ends.

Ask whether the new term lets you change how often you pay, such as biweekly or monthly. Some lenders allow that change at renewal, and it can speed up repayment. Write down your plans for the next three years before choosing a term length.

Focusing Only on the Rate and Missing the Fine Print

The lowest advertised rate can come with the strictest prepayment limits. A lower rate can hide tight rules on prepayment, portability and penalties. The interest rate is only one part of the deal, and the features matter just as much.

Lenders often package low rates with fewer options. Read the full terms before you compare the numbers. A small rate gap can cost you more than it saves if the features are weak.

Prepayment Privileges

A prepayment privilege lets you pay extra without a charge, up to a set limit. A switch at renewal can avoid a prepayment charge if you stay with the same lender. A prepayment charge can still apply when you switch and pay out the mortgage before the term ends.

Portability and Assumability

Portability lets you move your mortgage to a new home. Assumability lets a buyer take over your mortgage when you sell. Both features can save you a discharge and a new application, but only if the lender offers them.

Collateral Charges and Switching Costs

Some lenders register mortgages as collateral charges, which complicates switching. Switching can also add appraisal, discharge and legal fees. Those fees can erase part of the savings from a lower rate.

Ask these questions before you accept any offer.

• Is there a prepayment charge, and how is it calculated?
• How much can I prepay each year without a charge?
• Can I port the mortgage if I move?
• Can a buyer assume the mortgage if I sell?
• Is the mortgage registered as a collateral charge?

Get the answers in writing, and ask for the penalty formula before you accept any offer.

Ignoring Your Credit Score and Lender Eligibility

A missed payment in the last year can cost you the best rate, even with your current lender. A late payment within the last 12 months can weigh on your renewal. You can have a 700 credit score with late payments, but the late payment still matters.

A score of 720 or higher usually qualifies for the best available rates. A score above 680 is a good target before renewal. A score under 650 can lead to rate surcharges or fewer lender options.

Keep your credit card balances below 30% of your limit. Lower balances can help your score before the lender pulls its report. Small changes in the months before renewal can make a real difference.

If your mortgage renewal is denied, here is what happens next: ask the lender why and compare other lenders. A renewal denial can follow a credit drop, missed payments, new debt or an income change.

Avoid opening new credit in the six months before your maturity date.

Missing Features That Could Save You Money Later

A 15% annual lump-sum allowance on a $250,000 mortgage is $37,500 you can pay down without a charge. Some lenders allow lump-sum prepayments of up to 15% of the original balance per year. Other lenders go as high as 20% of principal.

Open mortgages can usually be prepaid by any amount without a charge. Closed mortgages come with limits, so check which one you have before you plan extra payments.

Lump-Sum and Extra Payments

A bonus or an inheritance can go straight to the balance as a lump sum. That cuts the principal, so less interest builds over the rest of the term. Use the yearly room every year, not just once, to keep the savings growing.

Changing Your Payment Schedule

Many lenders let you increase principal-and-interest payments up to 100% of the original payment without a charge. Accelerated payments can reduce interest, because you pay more often and shrink the balance faster. Lenders may also let you change your payment frequency at renewal.

A longer amortization lowers the payment but adds years of interest, so weigh that trade-off carefully. Before you sign, confirm these points.

• Is the lump-sum limit based on the original or the current balance?
• Is the prepayment limit set per year or per term?
• Can you raise your regular payment, and by how much?
• Are accelerated payments allowed without a charge?

Check whether your next term keeps the prepayment privilege you use now.

Breaking the Mortgage Early Without Knowing the Penalty

On a closed variable mortgage, breaking early usually costs three months of interest. A fixed-rate mortgage works differently, and its penalty can be larger. Knowing the formula before you act keeps a surprise out of your bill.

For a closed fixed-rate mortgage, the charge is the greater of three months’ interest or the interest rate differential amount. That differential compares your contract rate with current rates, so the result depends on the market.

On a fixed-rate mortgage, the penalty can be the bigger bill, so check that number first.

Fixed-Rate Penalty Formula

The interest rate differential can be large when rates have fallen since you signed. Lenders calculate it from your contract rate and their current rates. Some fees, such as discharge fees, can add to the total, so ask about them too.

Variable-Rate Penalty

On a closed variable mortgage, the charge is three months’ interest, and the interest rate differential does not apply. Take a $300,000 balance at 5%. Three months of interest is about $3,750.

This is only an illustration, and your own figure can differ. Ask your lender to run the exact penalty before you decide to break the term.

Conclusion

Renewal is your one scheduled chance to reset your mortgage. Avoiding these mortgage renewal mistakes starts with time: begin early, shop beyond the first offer, and read every line of the terms.

Your budget deserves the same attention as the rate. Ask whether a higher payment still leaves room for savings and for the life you want. Those answers matter as much as the number on the offer.

Renewal is not a formality, and the deadline does not wait. Book a renewal review 120 days before your maturity date.