Mortgage Renewal Explained: How Rate Changes Affect Your Payments

Mortgage renewal happens when your initial mortgage term ends—typically after 3, 5, 7, or 10 years. At renewal, you renegotiate the interest rate and other terms of your mortgage with your lender, or shop around for a better deal.

For many homeowners, renewal brings big surprises: if interest rates have risen, your new payment could be significantly higher. Understanding mortgage renewal is crucial for budgeting and financial planning.

What is Mortgage Renewal?

When you initially get a mortgage, you agree to a specific interest rate and loan term (e.g., 5 years at 6.5%). After that term ends, you don't automatically pay off the house—you "renew" the mortgage for another term.

Example: You take a 30-year amortization mortgage with a 5-year term at 6.5% interest. After 5 years, you've only paid down the principal slightly. You still owe most of the original amount. At renewal, you negotiate a new term (another 5 years) at the current interest rate.

How Renewal Affects Your Payment

Here's what happens at renewal: your remaining balance stays the same, but your interest rate (and sometimes other terms) changes. This directly affects your monthly payment.

If Interest Rates Have Gone UP

Your new monthly payment increases. Using a $240,000 balance with 25 years remaining:

If Interest Rates Have Gone DOWN

Your new monthly payment decreases, saving you money each month:

When Should You Renew?

In Canada, lenders typically send renewal notices 120 days before your term ends. You have options:

Pro Tip: Always shop around at renewal! Different lenders offer different rates, and switching could save you thousands over the next term.

Calculating Your New Payment

When you renew, three things matter:

  1. Remaining balance: How much you still owe (less than the original)
  2. New interest rate: The rate you negotiate at renewal
  3. Remaining amortization: Usually the same (e.g., if you have 25 years left)

These factors are plugged into the same mortgage payment formula to calculate your new payment.

Rather than doing the math manually, our mortgage renewal calculator handles this automatically. You input your original loan, the rate change, and renewal details—and it shows you the exact impact on your payment.

Real-World Renewal Scenario

Scenario:
  • Original mortgage: $300,000 at 6.5% for 30 years
  • After 5 years at renewal: Balance ≈ $275,000, 25 years remaining
  • New interest rate at renewal: 7.5%
Impact:
  • Old payment (6.5%): $1,520/month
  • New payment (7.5%): $1,606/month
  • Increase: $86/month or $1,032/year

Planning for Renewal

Start planning 6 months before your renewal to get the best rate and avoid last-minute stress:

Understanding Renewal with Our Calculator

Our mortgage renewal calculator lets you input multiple interest rate scenarios and see exactly how your payment changes. This helps you:

Calculate Your Renewal Payment

Use our free renewal calculator to see how rate changes affect your payment across multiple mortgage terms.

Try Renewal Calculator

Key Takeaways

Ready to understand your renewal impact? Use our mortgage renewal calculator to see your numbers for multiple rate scenarios!