Break Penalty

Break Penalty

Refinancing3 min readFebruary 11, 2026
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The mortgage break penalty is often the most significant cost when refinancing in Quebec. Canadian lenders use two calculation methods and apply whichever is higher: three months of interest on the current balance, or the interest rate differential (IRD) calculated over the remaining term. For a variable-rate mortgage, the penalty is almost always limited to three months of interest. For a fixed-rate mortgage, the IRD calculation can produce considerably higher amounts, especially if rates have dropped since the contract was signed. The IRD represents the difference between your contractual rate and the lender's comparison rate for the remaining term, multiplied by the balance and remaining term. Each financial institution uses its own methodology to déterminé the comparison rate, which produces vastly different penalties from one lender to another for the same situation. The big banks (RBC, TD, BMO, Scotia, CIBC) often use their posted rate rather than the discounted rate, which inflates the differential and the penalty. Monoline lenders generally use the discounted rate, producing fairer penalties. Your AMF-certified mortgage broker can obtain the exact penalty statement directly from the current lender to plan your refinancing.

Understanding the Mortgage Break Penalty

When you break your mortgage contract before the end of the term, your lender imposes a penalty to compensate for the anticipated loss of interest income. This penalty often represents the most significant cost of refinancing and can range from a few hundred dollars to tens of thousands of dollars depending on your situation. In Quebec, the mortgage contract is governed by the provisions of the Civil Code of Quebec (CCQ), specifically articles dealing with loans and contractual obligations.

The Two Calculation Methods

The vast majority of Canadian mortgage contracts stipulate that the penalty corresponds to the higher of two calculations: the three-month interest method and the interest rate differential (IRD). For a variable-rate mortgage, only the three-month interest method typically applies, which considerably limits the penalty. For a fixed-rate mortgage, both methods are compared and the lender retains whichever is more costly for the borrower.

Method 1: Three Months of Interest

The calculation is straightforward: current mortgage balance multiplied by the annual interest rate, divided by 12, then multiplied by 3. For example, on a $400,000 balance at a rate of 5.00%, the penalty would be $400,000 x 5.00% / 12 x 3 = $5,000. This method produces a predictable result proportional to the balance.

Method 2: Interest Rate Differential (IRD)

The IRD calculates the gap between your contractual rate and the comparison rate the lender currently offers for a term equal to your remaining duration. This gap is multiplied by your mortgage balance and by the number of years remaining in the term. The result can be considerably higher than three months of interest when rates have significantly dropped since your contract was signed.

Detailed Comparative Example

Consider a borrower with a $400,000 balance, a contractual rate of 5.50%, and 36 months remaining in the term. Three-month interest method: $400,000 x 5.50% / 12 x 3 = $5,500. For the IRD, if the lender currently offers 4.00% for a 3-year term (discounted rate), the gap is 1.50%. The IRD penalty would be $400,000 x 1.50% x 3 years = $18,000. The lender will apply $18,000 since it is the higher amount. However, if this same lender uses its posted rate of 5.80% instead of the discounted rate of 4.00%, the posted comparison rate for 3 years might be 5.30%, yielding a gap of only 0.20%. The IRD penalty would then be $400,000 x 0.20% x 3 years = $2,400, and the retained penalty would be the 3-month interest of $5,500.

  1. Obtain your penalty statement: Contact your current lender or ask your AMF-certified mortgage broker to request one. Allow 3 to 10 business days. The statement shows the exact amount, calculation method, and reference rates used.
  2. Verify the calculation method: Compare the comparison rate used with rates actually offered in the market. If your lender uses the posted rate, the penalty could be artificially high. Discuss alternatives with your broker.
  3. Explore reduction strategies: Use the prepayment privilege (typically 10% to 20% of the original balance per year) to reduce the balance before breaking. Evaluate the blend-and-extend option with your current lender. Calculate whether waiting a few months would significantly reduce the penalty.
  4. Perform the cost-benefit analysis: Compare the total cost of the penalty plus refinancing fees with interest savings over the remaining duration. The break-even point indicates how many months until the operation becomes profitable.

Frequently Asked Questions

What is the difference between the 3-month interest method and the IRD?
The 3-month interest method is straightforward: mortgage balance x annual rate / 12 x 3. The IRD (interest rate differential) calculates the gap between your contractual rate and the lender's comparison rate for the remaining term, multiplied by the balance and the number of remaining months divided by 12. The lender applies whichever amount is higher.
Why are big bank penalties often higher?
The big banks (RBC, TD, BMO, Scotia, CIBC) frequently use their posted rate as the comparison base rather than the discounted rate. Since the posted rate is always higher than the discounted rate, the differential appears smaller, which paradoxically increases the IRD penalty. Monoline lenders use the discounted rate, producing a more equitable calculation.
How do I obtain the exact amount of my penalty?
Contact your current lender or ask your AMF-certified mortgage broker to obtain an official penalty statement. This document shows the exact penalty amount as of the request date, the calculation method used, and the reference rates. The amount may vary daily based on rate fluctuations. Allow 3 to 10 business days to receive it.
Is the penalty tax-deductible?
If the refinancing is on a rental property, the break penalty may be deductible as an interest expense under the rules of the Canada Revenue Agency (CRA) and Revenu Quebec. For a principal residence, the penalty is generally not deductible. Consult an accountant or tax specialist for your specific situation.
Can you negotiate the penalty with the lender?
The penalty is generally calculated according to the mortgage contract terms and is not directly negotiable. However, if you transfer your mortgage to a new product with the same lender (blend-and-extend), the penalty can be avoided or reduced. Your AMF-certified broker can also use the prepayment privilege to reduce the balance before breaking, which decreases the penalty calculation base.

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Educational information only. This does not constitute financial advice under the Act Respecting the Distribution of Financial Products and Services (LDPSF). Consult an AMF-certified mortgage broker before making any financial decision.

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