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№ 22 Real Estate

Paying Off a 7- or 10-Year Mortgage Early in BC: The Five-Year Rule

Learn how Interest Act s. 10 may let you pay off a mortgage term longer than five years with three months' interest, and what changes after year five in BC.

Real Estate4 min readTSLBy the Treadstone Law Team · British ColumbiaUpdated November 13, 2026
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Key takeaways
  • Where a mortgage is not due until more than five years after its date, the borrower may pay it off at any time after five years by paying principal, interest and three months' further interest.
  • Section 10 does not apply to mortgages given by joint stock companies or other corporations, or certain prescribed entities.
  • Before year five, the usual charge is the higher of three months' interest or the interest rate differential, which can be far larger.

If you signed a 7- or 10-year fixed mortgage, you may assume that leaving early always means a large penalty. For many homeowners, a federal rule changes that once five years have passed.

This article focuses on what changes after year five. It also covers the exception for corporate borrowers, open mortgages and prepayment privileges, and the written statement your lender must give you when you confirm a prepayment.

This article covers the law of British Columbia.

What Interest Act section 10 says

Under section 10 of the federal Interest Act, where a mortgage's repayment is not due until more than five years after the date of the mortgage, the borrower may pay it off at any time after five years. To do so, the borrower pays the principal, the interest owing, plus three months' further interest in lieu of notice.

In plain terms, once the five-year mark has passed, the cost of leaving a long-term mortgage is capped at a modest amount. The interest rate differential is not part of what this section describes.

How this compares with the first five years

Before that point, the prepayment charge is usually the higher of three months' interest on the remaining balance or the interest rate differential (IRD). The IRD compares the interest remaining on your term at your contract rate with the interest at the current posted rate for a similar term, and takes the difference.

FCAC gives an example with a $200,000 balance, a 6% rate, a 4% posted rate and 36 months left. Three months' interest comes to about $3,000, while the IRD comes to about $12,000. That gap is why the timing of a payout matters.

TimingUsual charge
First five years of a long-term mortgageHigher of three months' interest or IRD
After five years, where section 10 appliesPrincipal, interest owing and three months' further interest

When section 10 does not apply

Section 10 does not apply to mortgages given by joint stock companies or other corporations, or by certain prescribed entities. If your property is held through a company, your mortgage may fall outside this rule, so check who the borrower is named as on the mortgage.

Open mortgages, privileges and your lender's statement

An open mortgage allows prepayment without penalty. Prepayment privileges, such as extra lump sums or payment increases up to a lender cap, can also be used without penalty, and unused amounts usually do not carry over. Other ways to limit a penalty include asking about porting the mortgage to a new home, or waiting until the term ends if the penalty is large.

Under the FCAC Code of Conduct on mortgage prepayment information, when you confirm that you are prepaying, your lender must give you a written statement of the prepayment charge, how it was calculated, how long it is valid and the factors that could change it. If an IRD is used, the statement must show the outstanding amount, annual rate, comparison rate used and remaining term. Lenders must also post online prepayment-charge calculators.

The Code does not apply to mortgages entered into for business purposes or held by borrowers who are not natural persons.

What to do next

Mortgage wording and lender practices vary, so a lawyer can confirm how the rule applies to your particular mortgage before you commit to a payout or a new lender.

Frequently asked questions

Can I pay off my 10-year mortgage after year five without an IRD penalty?

Where repayment is not due until more than five years after the date of the mortgage, section 10 of the Interest Act lets the borrower pay it off at any time after five years. The payment is principal, interest owing and three months' further interest. Check that the exception for corporations does not apply to you.

Does the five-year rule apply if my mortgage is in a company's name?

Section 10 does not apply to mortgages given by joint stock companies or other corporations, or certain prescribed entities. A lawyer can confirm how your ownership structure affects this.

What must my lender give me when I prepay?

When you confirm you are prepaying, the lender must give a written statement of the prepayment charge, how it was calculated, how long it is valid and factors that could change it. The Code does not cover mortgages entered into for business purposes or borrowers who are not natural persons.

Can I avoid a penalty in the first five years?

An open mortgage allows prepayment without penalty, and prepayment privileges can be used without penalty up to the lender's cap. You can also ask about porting the mortgage or waiting until the term ends if the penalty is large.

Sources

Links go to official government, court and regulator pages. The law changes — confirm you are reading the current version.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. British Columbia 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 lawyer who practises in British Columbia. Reach us at 1-844-900-1070 or send our Team a message.

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