What Are the Real Closing Costs When Switching Mortgage Lenders in Canada?
You found a lower rate. You are ready to switch. Then someone casually mentions a $1,200 appraisal, a discharge fee you have never heard of, and legal costs with no clear number attached.
Suddenly the savings do not feel so clean.
This is the part no rate comparison site explains properly. Not because it is complicated, but because the cost depends almost entirely on timing, and timing is the one variable most borrowers never think about until they are already in the process.
Switching your mortgage can cost anywhere from nothing to several thousand dollars. The difference is not the lender you are switching to. It is when you switch and how your current mortgage was registered.
The question that changes everything
When clients ask whether switching lenders is free, I do not start with the fee list. I start with one question: was your mortgage registered as a standard charge or a collateral charge?
Almost nobody knows. That is not negligence on their part. It was not explained when they signed, and the lenders who register mortgages as collateral do not go out of their way to highlight what that means for the borrower down the road.
Here is what it means in practice.
A standard charge mortgage can be transferred to a new lender at renewal with minimal friction. The new lender typically covers legal fees, discharge costs, and appraisal. Your total out-of-pocket cost is often zero.
A collateral charge cannot be transferred. It has to be fully discharged and re-registered as a new mortgage. That requires a lawyer, a title search, and new registration. The cost runs $1,000 to $1,500 in legal fees alone, before any other closing costs.
I had a client last year who had been with the same lender for eleven years. She found a rate 0.35% lower at a credit union and called me to start the switch. She had a collateral charge and had no idea. The legal costs to move ate roughly eight months of rate savings before she came out ahead. She was frustrated — and she was right to be. Not because the cost was unreasonable, but because nobody told her this when she originally signed.
If you are currently with TD, RBC Homeline, CIBC, Scotiabank STEP, or BMO ReadiLine — your switch is technically a refinance, not a transfer.
Check your mortgage documents before assuming a free switch is available. Ask your broker specifically: “Does this lender cover re-registration costs on collateral charge discharges?” Some do. Many don't. The answer changes the math by $500 to $1,500. For a full breakdown of how collateral charges affect your options, see the switching lenders guide.
What switching actually costs, by timing
The same mortgage move has a completely different cost depending on when you make it.
At renewal, with a standard charge mortgage, the typical total cost is zero. The new lender covers legal fees, the discharge fee of $200 to $400, and often the appraisal. They do this because they want your business and the competitive environment at renewal gives you real leverage.
At renewal, with a collateral charge mortgage, expect $1,000 to $1,500 in legal costs regardless of how competitive the new rate is. The switch still frequently makes financial sense on larger balances, but the math needs to include those fees.
Mid-term, the calculation changes entirely. In addition to legal fees and appraisal costs, you are paying a penalty to break your existing term. On a fixed-rate mortgage, that penalty is the greater of three months' interest or the Interest Rate Differential. Depending on your lender, your remaining term, and where rates have moved, that penalty can run from $3,000 to well over $20,000. The IRD formula used by major banks tends to produce significantly higher penalties than the formula used by monoline lenders on an identical mortgage.
The core principle is straightforward. At renewal, lenders compete for your business and absorb your costs. Mid-term, you absorb everything. Same mortgage, different timing, completely different financial outcome.
The complete fee breakdown
For reference, here is every closing cost that can show up — and who pays it — depending on the type of transaction.
| Cost item | Straight switch (at maturity) | Mid-term refinance | New purchase |
|---|---|---|---|
| Legal fees & title registration | $0 — new lender covers it | $800–$1,500 (your cost) | $1,000–$2,000 (your cost) |
| Appraisal | Usually waived or lender-paid; $0–$300 if required | $300–$1,200 depending on property | $300–$500 (often lender-paid on insured) |
| Discharge fee (old lender) | $200–$400; often covered by new lender | $200–$400 (your cost) | N/A (no existing mortgage) |
| CMHC premium PST | $0 (no new insurance) | $0 if no top-up; 8–10% PST on new premium if refinancing above 80% LTV | 8–10% PST on CMHC premium in ON, QC, SK, MB |
| Title insurance | $250–$400; typically included by new lender | $250–$400 (your cost) | $250–$500 (your cost, often bundled with legal) |
| Home inspection | Not required | Not required by lender | $400–$700 (optional but recommended) |
One more fee brokers skip: if you put less than 20% down on a purchase — or refinance above 80% LTV — the provincial sales tax on the CMHC insurance premium is due in cash at closing. In Ontario, that is $1,520 on a $500,000 home. In Quebec, roughly $1,900. It shows up on the commitment letter, often buried in a schedule, and borrowers see it for the first time a week before closing. On a straight switch at renewal, this does not apply — you are not triggering new insurance. Full CMHC premium breakdown here.
Cashback mortgages: the cost behind the offer
A lender offering $3,500 cashback is not giving you a gift. They are recovering it through a higher interest rate over the term.
There are two versions of this product. Small cashback offers, typically $1,000 to $3,000, are often structured to cover closing costs and can be relatively neutral if the rate premium is modest. Larger cashback offers carry a rate premium that frequently exceeds the cash received, especially when the mortgage is held for a full term.
| Scenario ($600K balance, 0.15% rate premium) | 3-year term | 5-year term |
|---|---|---|
| Extra interest paid | ~$2,700 | ~$4,600 |
| Cashback received | $3,500 | $3,500 |
| Net benefit / (cost) | +$800 | −$1,100 |
The additional complication: many cashback mortgages require full repayment of the bonus if you break the term early. That gets layered on top of any IRD penalty that already applies.
The right question is never how much cash you receive upfront. It is what that cash costs over the term of the mortgage.
When a mid-term move is worth it anyway
Not every mid-term switch is a mistake. There are situations where paying the penalty and the associated costs is the right financial decision.
If your current payment has become unmanageable and extending amortization is the only realistic path, refinancing mid-term may be necessary. If you are carrying high-interest debt that a refinance would consolidate at a substantially lower rate, the penalty can pay for itself relatively quickly. If you need access to equity for a significant financial need and the alternative is higher-cost borrowing elsewhere, the math can support it.
The mistake in these situations is not making the move. It is making it without first confirming the penalty in writing, adding up every cost, and running the breakeven calculation. Too many borrowers estimate the penalty, discover it is higher than expected after committing to a new lender, and absorb a loss that could have been avoided with one phone call.
The practical approach
If you want to minimize switching costs, the answer is almost always to start the process 90 to 120 days before your renewal date. That window is when lenders compete for your business, when rate holds are available, and when the costs that apply mid-term disappear. The full timeline is mapped out in the renewal action plan.
Know your charge type before you start shopping. If you have a collateral charge, factor those legal costs into your savings calculation from the beginning rather than discovering them after you have already committed to a new lender.
Get the penalty in writing if you are considering a mid-term move. Not an estimate, not a phone quote you noted down — a written statement from your lender. That is the number you calculate against.
Closing costs are part of the total cost of borrowing. Understanding them before the process starts is what turns switching lenders from a stressful surprise into a deliberate financial decision.
Keep reading
- IRD penalties explained — how prepayment penalties are calculated and why the same balance produces wildly different quotes from different lenders.
- The 2026 renewal action plan — the 120-day timeline that makes a zero-cost switch possible.
If this guide helped you see fees you were not expecting, the true cost of a Canadian mortgage guide puts every hidden cost — interest, insurance, penalties, and fees — into a single picture.
Compare current Canadian rates
Camilo Rodriguez
Founder of Mortgages Lab & Mortgage Expert
Camilo Rodriguez is the Founder of Mortgages Lab, a licensed mortgage broker with over 23 years of experience helping Canadians achieve financial freedom. He has trained 100+ mortgage agents across Canada and is Past President of The Canadian Mortgage Broker Association - BC. He is the author of "From Debt to Zero," a guide to becoming mortgage free.
P.A.Y.O.F.F™, L.A.B™, M.A.P™ are Trademarks of Mortgages Lab®
Financial Disclosure
This page contains informational content only and does not constitute financial advice. Mortgage rates shown are sourced from publicly available lender data and may change without notice. Always verify rates directly with the lender. Mortgages Lab may receive compensation from partner lenders, which does not influence our editorial content or rate rankings. Built on Real Experience — 23+ years of working with real mortgage scenarios and helping Canadians achieve financial freedom.