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How much can I save switching lenders at renewal on a $400K mortgage?

Learn how much you can save by switching lenders at your mortgage renewal on a $400,000 mortgage in Canada, considering rates and costs.

Written and reviewed by
Mortgage Agent Level 2 · Licence M09000869
Real Mortgage Associates · FSRA #10464
Published: July 10, 2026 · Last reviewed: July 14, 2026
Quick answer
  • Potential savings can range from $2,000 to over $10,000 over a 5-year term on a $400,000 mortgage, primarily by securing a rate 0.25% to 0.50% lower.
  • As of November 2024, OSFI introduced an exemption allowing uninsured mortgage holders to switch federally regulated lenders at renewal without re-qualifying under the stress test.
  • Typical switching costs, including appraisal and legal fees, range from $500 to $1,500, though some lenders offer to cover these.
  • A 0.25% rate reduction on a $400,000 balance with 20 years remaining saves approximately $50 per month, totaling $3,000 over a 5-year term.
  • Mortgage brokers can often access rates 0.10% to 0.25% lower than posted bank rates, increasing potential savings.

You can potentially save thousands of dollars by switching lenders at your mortgage renewal, particularly on a $400,000 mortgage, by securing a more competitive interest rate. The actual savings depend on the rate difference you achieve, the remaining amortization, and any associated switching costs. Even a seemingly small rate reduction can translate into substantial savings over a 5-year term.

The recent OSFI stress test exemption for uninsured mortgage switches makes it significantly easier to pursue these savings by removing a major hurdle for many homeowners.

What are the potential savings from switching lenders on a $400,000 mortgage?

The potential savings from switching lenders on a $400,000 mortgage at renewal can be significant, often ranging from $2,000 to over $10,000 over a 5-year term, depending on the interest rate differential you achieve. For example, reducing your interest rate by just 0.25% on a $400,000 balance with 20 years left can save you approximately $50 per month, adding up to $3,000 over a typical 5-year term. If you secure a 0.50% lower rate, your savings could double to $6,000 over the same period.

These calculations assume the rate is applied to the full remaining balance and do not yet factor in the costs associated with switching, which can reduce your net savings. However, many lenders offer to cover some or all of these costs if you bring them your business. The more aggressively you shop and negotiate, the greater your potential savings can be.

How do switching costs affect my net savings at renewal?

Switching costs can reduce your net savings when moving to a new lender, but these are often manageable or even covered by the new institution. Typical costs include legal fees (for title transfer and mortgage registration), appraisal fees (if required by the new lender), and potentially discharge fees from your current lender.

In Canada, these costs usually total between $500 and $1,500. Many lenders, eager for new business, offer 'switch incentives' or 'transfer packages' that cover these expenses, effectively making the switch free or very low cost for the borrower. Always ask your potential new lender about their 'no-cost' or 'low-cost' switch options.

It's crucial to factor these costs into your decision-making process. Even if you have to pay them, a sufficient rate reduction will quickly offset these initial outlays, leading to long-term savings.

Worked Example: Calculating Savings on a $400,000 Mortgage Renewal

Let's illustrate the savings potential with a concrete example for a $400,000 mortgage balance at renewal, with 20 years remaining on the amortization. Suppose your current lender offers you a renewal rate of 5.79% for a 5-year fixed term, but you find a new lender offering 5.29% for the same term.

At 5.79% on a $400,000 balance with 20 years remaining, your monthly payment would be approximately $2,800. If you switch to the new lender offering 5.29%, your monthly payment would drop to roughly $2,690. This represents a monthly saving of about $110.

Over a 5-year term, these monthly savings accumulate to $110/month × 60 months = $6,600. If the new lender covers your switching costs (e.g., $1,000 in legal and appraisal fees), your net savings are the full $6,600. Even if you paid the $1,000 yourself, your net savings would still be $5,600, demonstrating a compelling reason to shop around.

This example clearly shows how a 0.50% rate difference can lead to thousands in savings over your next mortgage term. Remember, mortgage interest in Canada is compounded semi-annually, not in advance, which is standard for fixed-rate products.

What impact does the November 2024 OSFI stress test exemption have on switching lenders?

The November 2024 OSFI stress test exemption significantly simplifies switching federally regulated mortgage lenders for uninsured mortgages at renewal. Previously, even if you were simply renewing and switching lenders, you had to re-qualify at the higher stress test rate (typically your contract rate plus 2%, or 5.25%, whichever is greater).

This often prevented homeowners from moving to a better rate if their financial situation had changed or if prevailing rates made re-qualification difficult. With the exemption, as long as you're switching an uninsured mortgage (i.e., you made a down payment of 20% or more) and not increasing your principal balance or changing your amortization period, you can now switch lenders at renewal without undergoing the stress test. This change, implemented by the Office of the Superintendent of Financial Institutions (OSFI), levels the playing field, making it much easier to shop for better rates and save money without financial hurdles.

Not sure how this applies to your renewal?

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Should I work with a mortgage broker or directly with a bank to switch lenders?

You should consider working with a mortgage broker to switch lenders at renewal, as they often provide access to a wider range of competitive rates than a single bank. Brokers work with multiple lenders, including major banks, credit unions, and monoline lenders, allowing them to compare numerous offers on your behalf.

While you can directly approach banks, a broker does the legwork for you and can often negotiate better rates due to their volume of business. They are paid by the lenders, so their services are typically free to you, the borrower.

Directly approaching banks might secure a good rate if you're a long-standing client, but there's no guarantee it will be the absolute best. For a comprehensive market comparison and expert advice, a mortgage broker is usually the most efficient path to maximizing your savings at renewal.

Comparing Mortgage Renewal Options: Stay vs. Switch

When your mortgage is up for renewal, you generally have two main options: stay with your current lender or switch to a new one. Each path has its own advantages and disadvantages that can impact your long-term savings and financial flexibility.

Staying with your current lender often involves less paperwork and can be perceived as simpler, as you avoid the hassle of a new application process. Your existing lender may also offer a 'loyalty discount' to retain your business. However, these rates are not always the most competitive in the market, potentially leading to missed savings opportunities.

Switching lenders, conversely, requires a new application and some paperwork, but it opens the door to potentially significantly lower interest rates and better mortgage features. This path is particularly attractive given the recent OSFI stress test exemption for uninsured switches, making it easier to qualify.

The table below provides a detailed comparison to help you weigh your options for a $400,000 mortgage renewal.

FeatureStaying with Current LenderSwitching to a New Lender
Rate CompetitivenessOften less competitive; relies on loyalty offers which may not be market-leading.Potentially much more competitive rates from a wider market, including monoline lenders and credit unions.
Application ProcessMinimal paperwork; streamlined renewal offer.Requires a new mortgage application, credit check, and documentation review.
OSFI Stress Test (Uninsured)Not required for renewal with existing lender (no change to terms/amount).**NEW:** Not required as of November 2024 for uninsured switches (no increase in principal/amortization).
Costs InvolvedTypically no direct costs. Risk of higher interest costs if rate is not competitive.Legal fees ($500-$1,000), appraisal ($300-$500). Often covered by the new lender through 'switch incentives'.
Negotiation LeverageLimited, as they know you are an existing client.High, as you are a new client bringing fresh business; brokers amplify this.
Product OptionsLimited to your current lender's offerings.Access to diverse product features (prepayment, portability, penalty calculation) from across the market.

How can I ensure I get the best rate when switching lenders?

To ensure you get the best rate when switching lenders at renewal, start shopping at least 120 days before your mortgage term ends. This is the typical window when lenders issue renewal offers, giving you time to compare. Do not simply accept your current lender's first offer; it's rarely their best. Instead, leverage their offer to negotiate with other lenders.

Engage with a reputable mortgage broker, as they have access to rates from dozens of lenders and can negotiate on your behalf. Additionally, gather rate quotes from at least three different banks or credit unions to create competitive pressure. Present your best offer to your current lender and see if they will match or beat it. The key is to be proactive, informed, and willing to walk away if a better deal is available elsewhere.

Maximizing your savings at mortgage renewal on a $400,000 mortgage in Canada involves diligent research, smart negotiation, and understanding the current landscape of mortgage rules and offers. Don't leave money on the table by passively accepting your existing lender's offer.

The recent OSFI changes make switching lenders more accessible and rewarding than ever. To see how much you could save and to receive personalized guidance for your mortgage renewal, get a free renewal review with one of our expert agents. You can also try our mortgage renewal calculator to estimate your potential savings quickly and easily.

Frequently asked

Is it worth switching lenders at mortgage renewal in Canada?

Yes, it is often worth switching lenders at mortgage renewal in Canada, especially if you can secure a lower interest rate. Even a 0.10% to 0.25% rate difference can save you thousands of dollars over a 5-year term on a $400,000 mortgage, particularly now with the OSFI stress test exemption for uninsured switches.

What is the average cost to switch mortgage lenders in Canada?

The average cost to switch mortgage lenders in Canada typically ranges from $500 to $1,500, covering legal fees, appraisal costs, and sometimes discharge fees. Many new lenders offer 'switch incentives' or 'transfer packages' that cover these costs, making the switch effectively free for the borrower.

Does the mortgage stress test apply when switching lenders at renewal?

As of November 2024, the mortgage stress test no longer applies when switching federally regulated lenders at renewal for uninsured mortgages, provided you are not increasing your principal balance or changing your amortization. This OSFI exemption significantly eases the process of seeking better rates elsewhere.

How far in advance should I start shopping for a new mortgage lender?

You should start shopping for a new mortgage lender at least 120 days before your current mortgage term expires. This gives you ample time to compare offers, secure a rate hold, and complete the necessary paperwork, ensuring you're not rushed into a less favourable deal.

Can I negotiate my mortgage renewal rate with my current bank?

Yes, you can and should negotiate your mortgage renewal rate with your current bank. Armed with competitive offers from other lenders (which a mortgage broker can help you get), you have strong leverage to push your current bank for a better rate to retain your business.

Will switching lenders impact my credit score?

Switching lenders typically involves a new credit check, which will result in a small, temporary dip in your credit score. However, if your financial standing is otherwise good and you make your payments on time, this impact is usually minimal and short-lived, with the long-term savings often outweighing this minor credit score effect.

What is a mortgage broker and how can they help with switching lenders?

A mortgage broker is a licensed professional who acts as an intermediary between you and various lenders. They can help with switching lenders by accessing a wide range of rates, negotiating on your behalf, and guiding you through the application process, often at no direct cost to you.

What documents do I need to switch mortgage lenders?

To switch mortgage lenders, you'll typically need your latest mortgage statement, property tax assessment, proof of income (e.g., employment letter, pay stubs), and possibly an appraisal of your home. A new lender will provide a full checklist.

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Have Jay Klair — FSRA-licensed mortgage agent — personally review your bank's renewal offer, shop the full A-lender panel, and reply within one business day. Free, no obligation.

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