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Stopping a Power of Sale by Paying the Arrears in Ontario

Learn how Ontario homeowners can stop a power of sale by paying arrears and expenses, request a statement of arrears, and understand the timelines involved.

Real Estate6 min readTSLBy the Treadstone Law Team · OntarioUpdated November 6, 2026
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Key takeaways
  • In Ontario, a borrower in default can stop the lender from enforcing the acceleration clause by paying the arrears and the lender's necessary expenses, whatever the mortgage says.
  • You can give written notice asking for a statement of arrears and expenses, and the lender must answer within 15 days.
  • The right to pay and stop the process ends once the sale closes, after which you are generally limited to a damages claim.

Getting a demand letter or a Notice of Sale under Mortgage is frightening, especially when the lender says the whole mortgage is now due. Many people assume the only choices are to find the full balance or lose the home. In Ontario, that is often not the whole picture.

This guide explains what you can do to bring the mortgage back into good standing: what you have a right to pay, how to ask the lender for exact figures, how much time the process generally gives you, and the point at which the right runs out. It is general information, not advice on your own file.

Your right to pay only the arrears

Many mortgages say that if you miss payments, the entire balance becomes due. This is called an acceleration clause. Despite any agreement to the contrary, a borrower in default can stop the lender from enforcing that clause by paying the amount due under the mortgage, plus the lender's necessary expenses (Mortgages Act, s. 22(1)).

The amount due means the arrears, not money that is only due later. So you are generally not required to pay off the full balance to stop the process. The expenses must be the lender's necessary ones, which is why asking for an itemized figure matters.

Asking for a statement of arrears and expenses

You do not have to guess the number. You can give the lender written notice requiring a written statement of the arrears and expenses, and the lender must answer within 15 days.

If the lender fails to answer without reasonable excuse, or gives an incomplete or incorrect answer, its enforcement rights are suspended until it complies. That can be valuable leverage, but whether a particular answer is incomplete or incorrect is a question of detail that a lawyer can help you assess.

The timeline that gives you room to act

Where a mortgage contains a power of sale, the lender cannot give notice of exercising the power of sale until the default has continued for at least 15 days. It also cannot sell until at least 35 days after the notice is given. The notice must go to every person with an interest in the property and must be in Form 1, Notice of Sale under Mortgage.

Once a demand or notice of sale has been given, the lender cannot start any further proceeding or action to enforce the mortgage until the time stated in the notice has passed, unless a Superior Court judge permits it (Mortgages Act, s. 42(1)).

A different rule applies where a mortgage has no power of sale clause. The statutory power of sale then applies only after three months' default and requires 45 days' notice to persons with an interest in the property.

StepMinimum time
Default before the lender can give notice of saleAt least 15 days
Notice period before a sale can happenAt least 35 days after notice
No power of sale clause: default before statutory power appliesThree months
No power of sale clause: notice to interested persons45 days

A notice sent in the manner the statute prescribes is not defective just because the recipient never actually received it. That is why you should watch your mail and any address the lender has for you.

What the lender can charge on arrears

When you review the statement of arrears, check what has been added. No fine, penalty or rate of interest may be charged on mortgage arrears that increases the charge on the arrears beyond the rate payable on principal not in arrears (Interest Act, s. 8(1)). Interest on arrears at a rate no higher than the mortgage rate is allowed.

Whether a specific fee in your statement is a legitimate expense or an improper penalty depends on the mortgage and the facts. Ask the lender what each line is for, and raise anything unclear with a lawyer.

When the right ends, and spouses who do not own

The right to pay and stop enforcement does not last forever. Once the power of sale closes, s. 22 no longer applies, and the borrower is limited to a claim for damages against the lender. Where a notice was given in professed compliance with the Mortgages Act, the buyer's title cannot be attacked because of a defect in the sale process, and anyone harmed has a remedy against the lender who sold. The exception is a buyer who had actual notice of the defects.

A spouse who has no ownership interest in the matrimonial home but has a right of possession has the same right of redemption or relief against forfeiture as the owner-spouse. That spouse is also entitled to the same notice of the lender's claim and its enforcement (Family Law Act, s. 22(1)).

The s. 22 right to pay applies until the sale closes, so it is still worth acting while a sale is underway, as long as it has not yet closed. A lender selling under power of sale must take reasonable precautions to obtain the true market value of the property as of the date of sale, which may matter if you later consider a damages claim.

What to do next

Frequently asked questions

Do I have to pay the whole mortgage to stop a power of sale?

Generally no. A borrower in default can stop the lender enforcing the acceleration clause by paying the arrears and the lender's necessary expenses, despite any agreement to the contrary. Money that is only due later is not part of that amount.

How do I find out exactly what I owe?

You can give the lender written notice requiring a statement of the arrears and expenses. The lender must answer within 15 days. If it does not, or the answer is incomplete or incorrect, its enforcement rights are suspended until it complies.

Can I still stop the sale after it closes?

No. Once the power of sale closes, s. 22 no longer applies and the borrower is limited to a claim for damages against the lender. The buyer's title is also generally protected, unless the buyer had actual notice of defects.

Does my spouse have rights if only I am on the mortgage?

A spouse with no ownership interest but a right of possession of the matrimonial home has the same right of redemption or relief against forfeiture as the owner-spouse. That spouse is entitled to the same notice of the lender's claim and its enforcement.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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