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How to calculate mortgage prepayment charges

 5 minute read

 

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Anyone with a mortgage wants to pay it off as soon as they can. But borrowers may be subject to extra fees, depending on your terms and payment schedule, if you pay it off outside of this pre-determined schedule.

It might sound counterintuitive. Aren’t you supposed to pay off your debts as soon as you can? Yes, but also no. Mortgages are different from other debts, and most mortgage contracts will set an amount that you can pay outside of your recurring payments without incurring a penalty.

But what if you want to pay more than this amount? You technically can, but you will have to pay an extra charge. The calculation of this charge can get complicated, so let’s explore it further.


What is a prepayment charge?

Sometimes called a prepayment penalty or a breakage cost, a prepayment charge is a fee that your lender may charge if you:

  • pay more than the allowed extra amount toward your mortgage
  • break your mortgage contract entirely
  • transfer your mortgage to another lender before the end of your term
  • pay back your entire mortgage before the end of your term (even including when you sell your home)

These charges can cost thousands of dollars, so it’s important to know right from the time of signing the paperwork when they apply and how your lender calculates this amount. You should also know, you may have to pay an administrative fee on top of this charge, too.

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Pro-Tip

Have an open mortgage? Good news: you can make a lump-sum payment, or even pay off your full mortgage, without a penalty.


How to avoid prepayment charges

Of course, the first best way to avoid prepayment charges is to not prepay at all. But you can prepay a certain amount of your overall mortgage balance. Your lender determines in the contract if, when, and how much you can prepay.

This amount is called a prepayment privilege. Most lenders limit the allowed prepayment amount per year, but you typically can’t carry a prepayment amount from one year to the next. What this means is that you usually can’t carry over the unused amount from the previous year into future years.

The best ways to reduce or avoid these charges entirely are:

  • Using your privileges to their fullest potential
  • Waiting until the end of the term to prepay if it’s a large amount
  • Porting your mortgage if you’re buying a new home
  • Shopping around when you renew your mortgage
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Pro-Tip

Want to quickly see what your fees for a prepayment could be? Use our calculator to estimate what it may cost to pay all or part of your closed mortgage before the term ends.

How to calculate prepayment charges

How much you will pay for prepayment charges is determined by several factors, including:

  • Product type (i.e. fixed or variable term)
  • How many months are left in your mortgage term
  • How much you want to pay early
  • Current interest rates
  • How your lender calculates this charge

The prepayment penalty is determined by the greater of these calculating methods:

  1. An amount equal to 3 months’ interest on what you still owe
  2. The interest rate differential (IRD)

Your lender would use the IRD method to calculate:

  • If the interest rate on your mortgage is higher than the current interest rate, or
  • you signed into your terms less than 5 years ago 


How to calculate the IRD

To calculate the IRD, your lender will compare two interest rates. They calculate all the interest fees left to pay on your current term for both rates, and the difference between these amounts is the IRD.

First, they use one of the following interest rates to calculate the first one:

  1. the posted rate at the time you signed your mortgage contract, or
  2. your current rate or discounted rate

Then, your lender can use one of the following to calculate a second interest rate:

  1. the current rate for a term of a similar length, or
  2. the current rate for a term of a similar length, minus the discount you were offered

What does this look like in action? Here’s an example from the Financial Consumer Agency of Canada.

Mortgage balance left $200,000
Current interest rate 6.00%*
Number of months left 36 months
(5-year term)

*For illustrative purposes only, these do not necessarily reflect our rates at this moment. For current rates, please contact us.


Using this information, the lender looks for the current posted interest rate for a mortgage with a 36-month term offered by your lender, which is 4%.

3 months’ interest on the balance $200,000
Interest Rate Differential $12,000


Because $12,000 is higher, the lender would opt for the IRD to be the amount of the fee.


What does my lender need to tell me?

Financial institutions are required to provide information on their prepayment charges, such as how they calculate it, and what factors they consider when calculating it.

Do you have any other questions about prepayments? Log in to online banking or call us at 1-888-597-1083 for details about your mortgage.