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A mortgage amendment is a formal, lender-approved change to specific terms of an existing mortgage, made without discharging or re-registering the original contract or charge. It commonly adjusts the rate, payment, or term while leaving the balance in place, which keeps the process faster and more cost-effective than a refinance.
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A mortgage amendment lets you and your lender adjust selected terms of a mortgage without cancelling the agreement. The mortgage stays in force, while elements such as the interest rate, payment amount, or remaining term are modified through a signed amendment, sometimes called an amendment agreement. The principal balance and the charge registered on the title do not change.
An amendment is not the same as a refinance. A refinance replaces your mortgage and can increase the balance to release equity, while an amendment only reshapes terms within the existing charge. Borrowers often choose an amendment for flexibility without the cost and paperwork of replacing the mortgage, for example, during a mortgage renewal with the same lender.
An amendment lets you make changes to an existing mortgage without a requalification. Keeping the original contract cuts fees, paperwork, and delay while still adjusting key terms. As the Financial Consumer Agency of Canada explains, “If you want to make changes before the end of your term,” you can renegotiate the contract rather than wait for renewal.
For lenders, an amendment is a streamlined way to keep a borrower and adjust terms and conditions without having to underwrite the whole file or re-register the charge. Since it cannot raise the balance, a borrower who needs to access equity or consolidate debt has to refinance or, in some cases, use a blended mortgage that stays within the limit of the charge already on title.
Lenders amend mortgages in a few common ways, each limited to terms that fit within the existing registered charge.
Rate amendments. The lender changes the interest rate without issuing a new contract, often to pass on a lower rate or to move between fixed and variable rates within the same charge.
Payment amendments. The payment amount or frequency is adjusted, for example, switching to an accelerated schedule or resetting a payment after a rate change.
Term and amortization amendments. The remaining term or amortization is reshaped within the registered charge, which can change the payment but not the outstanding balance.
As an example, you owe $400,000, with 20 years of amortization remaining. If your lender approves an amendment that lowers your interest rate, your monthly payment falls because less interest is charged each period, the principal balance stays the same, and no stress test applies because no new credit is extended.
Are you a first-time buyer?
An amendment changes specific terms within your existing mortgage and charge, while a refinance replaces the mortgage and can increase the balance. A refinance can release equity; an amendment cannot.
Not in most cases. As long as the balance and amortization stay within the charge already registered on title and no new credit is extended, requalification under the stress test is generally not required.
Yes. Amendments are discretionary, so your lender can decline a requested change or set conditions before approving it.
Yes, if the change touches your rate, term, or amortization. Adjusting any of these recalculates the payment, even though the outstanding balance stays the same.
Yes. Once the terms change, any future prepayment penalty is calculated against the amended rate and conditions rather than the original ones.