Selling With an Existing Mortgage

Selling With an Existing Mortgage

Property3 min readFebruary 11, 2026
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Selling a property while a mortgage is still active is a common situation in Canada. Upon sale, the mortgage balance must be repaid in full to the lender, which may trigger a prepayment penalty if the term has not expired. For fixed-rate mortgages, the penalty is the greater of three months' interest or the interest rate differential (IRD), calculated based on the difference between the contract rate and the lender's current rate for the remaining term. For variable-rate mortgages, the penalty is typically limited to three months' interest. According to Canadian market data, penalties can range from a few thousand to tens of thousands of dollars. Some lenders offer mortgage portability, allowing the transfer of the existing mortgage to a new property, thereby avoiding the penalty. OSFI regulates penalty disclosure rules under its 2023 directive requiring greater transparency. AMF-certified mortgage brokers in Quebec must inform their clients of these options at the beginning of the sale process. The notary also plays a key role by filing the mortgage discharge with the Quebec Land Registry at closing.

Selling a Property With an Existing Mortgage in Canada

Across Canada, it is entirely common to sell a property before the mortgage term has expired. This situation arises during job relocations, family changes, separations, or simply a shift in life plans. However, breaking a mortgage contract before the end of the term carries financial consequences that are essential to understand and plan for.

Understanding the Prepayment Penalty

The prepayment penalty is the cost imposed by the lender when you repay your mortgage before the term's maturity. The calculation method varies by rate type. For a variable-rate mortgage, the penalty is typically three months' interest on the remaining balance. For a fixed-rate mortgage, the calculation is more complex: the lender applies the greater of three months' interest or the interest rate differential (IRD).

The IRD is calculated by multiplying the difference between your contract rate and the lender's current rate for a term equivalent to your remaining duration, by the outstanding balance, then by the number of months remaining. For example, if your rate is 5.00%, the current rate for a term matching your remaining duration is 3.50%, and you have 36 months left, the IRD will be significantly higher than three months' interest. IRD penalties can reach substantial amounts, sometimes exceeding $20,000 on a $400,000 balance.

Mortgage Portability: An Option to Avoid the Penalty

Mortgage portability allows you to transfer the conditions of your current loan (rate, remaining term, balance) to a new property. If you are selling and buying simultaneously, this option can save you the entire penalty. Most major Canadian financial institutions, including the Big Six banks and Desjardins, offer portability on their conventional mortgage products.

To use portability, several conditions must be met. The purchase of the new property must generally close within 30 to 120 days of the sale. It is necessary to re-qualify under the lender's criteria and OSFI guidelines (B-20 stress test). If the new loan is for a higher amount, the additional portion will be at the current rate, creating a blended mortgage with two portions at different rates.

Other Options to Consider When Selling

  • Wait for term expiry: if maturity is only a few months away, it may be financially advantageous to delay the sale to avoid the penalty. The last 90 days before maturity typically allow penalty-free repayment.
  • Use prepayment privileges: most mortgage contracts allow annual prepayments of 10% to 20% of the original balance without penalty. Maximizing these payments before selling reduces the balance on which the penalty is calculated.
  • Assumption by the buyer: in rare cases, the buyer can take over your mortgage under the same conditions. This is uncommon but may be considered if your rate is below current market rates.
  • Negotiate with the lender: some lenders may offer a penalty discount if you transfer your mortgage to a new product with them. Always request a written penalty statement before making a decision.

The Role of the Notary and Broker During the Sale

In Quebec, the notary plays a central role in closing real estate transactions. The notary obtains the mortgage payout statement from the lender, deducts the necessary amount for full repayment (including the penalty) from the sale proceeds, and files the mortgage discharge with the Quebec Land Registry. The AMF-certified mortgage broker supports the seller upstream by analyzing available options and minimizing the financial impact of breaking the term.

Frequently Asked Questions

What penalty do I have to pay if I sell my home before the mortgage term ends?
The penalty depends on the mortgage type. For a variable rate, it is typically three months' interest. For a fixed rate, the lender applies the greater of three months' interest or the interest rate differential (IRD). The IRD is calculated on the remaining balance for the remaining term. Contact your lender to obtain an exact penalty statement before listing your property.
What is mortgage portability and how does it work?
Portability allows you to transfer your current mortgage (rate, term, conditions) to a new property during a buy-sell transaction. This avoids the prepayment penalty. Most major Canadian banks offer this option, but some monoline lenders do not. You generally must complete the purchase of the new property within 30 to 120 days of the sale.
Does the sale proceeds automatically cover the mortgage repayment?
Yes, the notary uses the sale proceeds to repay the mortgage balance, including the penalty if applicable, accrued interest, and discharge fees. The net balance is then paid to you. If the sale proceeds are insufficient to cover the mortgage balance, it is necessary to make up the difference from personal funds.
Can I negotiate or reduce the prepayment penalty?
Directly, the penalty is contractual and difficult to negotiate. However, several strategies exist: waiting until the term ends if it is near, using prepayment privileges (often 15% to 20% of the balance annually) to reduce the balance before selling, or opting for portability. A mortgage broker can help evaluate the best strategy.
Is the penalty tax-deductible when selling?
For a principal residence, the penalty is not tax-deductible since capital gains on principal residences are exempt in Canada. For a rental or investment property, the penalty may be considered a deductible expense in certain situations. Consult a tax professional for your specific situation.

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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