A blend-and-extend lets your lender mix your existing rate with today's rate into a single blended rate and reset the term — so you avoid an immediate break penalty. It is a middle path between staying put and renewing. Compare your rate to current ones on our live rate tracker and test outcomes in our mortgage calculators.
Blend-and-extend combines your current mortgage rate with the market rate to form a blended rate and resets the term to a new full length, avoiding the immediate break penalty. Blend-to-term keeps your original maturity date; blend-and-extend pushes it out. It helps most when you want to lock in or extend before renewal. This is not financial advice.
When you want to change your mortgage mid-term but do not want to pay a break penalty, many lenders offer to amend the mortgage instead of breaking it. In a blend-and-extend, the lender takes your existing interest rate and the current rate they would offer today, weights and averages them into one blended rate, and resets your term to a new full length — often five years. Because the contract is modified rather than discharged, there is usually no immediate penalty. The blended rate is how the lender still captures value, so it lands between your old rate and the current rate.
These two options sound alike but differ in one key way — the maturity date. A blend-to-term blends your existing rate with a current rate but leaves your remaining term untouched, so the mortgage still matures on its original date. A blend-and-extend blends the rates and then resets the clock to a new, longer term. Blend-to-term is useful for adding funds without extending; blend-and-extend is for people who want a longer runway of certainty. Ask your lender which one they are quoting, because the term length changes both your payment and your future flexibility.
The lender weights your existing rate and the current rate by the balance and time remaining, then averages them. Here is an illustrative example: suppose you have three years left at 3.00% and the lender's five-year rate today is 5.00%. A blend-and-extend that resets to five years might weight the two portions and land near roughly 4.20% on a new five-year term — this number is illustrative only and your actual blended rate depends on your balance, remaining term and the lender's formula. Always get the exact figure and an amortization schedule in writing before agreeing.
| Goal | Blend-and-extend fit |
|---|---|
| Lock in before renewal | Strong fit |
| Extend certainty for years | Strong fit |
| Add new funds now | Possible (blend the new money) |
| Current rates far above yours | Weak — pulls your rate up |
A blend-and-extend is most useful when you expect rates to rise and want to extend your certainty before your term ends, or when you need extra funds and would rather avoid a break penalty. It works against you when current rates are well above your existing rate, because blending drags your rate upward for a longer term. If you are moving homes instead of staying, look at porting your mortgage; if your term is nearly up, compare with our renewal guide. Every amended mortgage must still pass the stress test.
Blend-and-extend is when your lender combines your existing mortgage rate with the current market rate to create a single blended rate, and resets the term to a new full length. Because you are not breaking the mortgage, you avoid the immediate break penalty.
Blend-to-term blends the rates but keeps your remaining term unchanged, so the mortgage still matures on the original date. Blend-and-extend blends the rates and resets the clock to a new full term, giving you a longer runway at the blended rate.
The lender weights your existing rate and the current rate by the time or balance involved and averages them. For example, blending a lower existing rate with a higher current rate produces a blended rate between the two. Actual figures are illustrative and depend on your balance, remaining term and the lender's method.
It can make sense if you want to lock in or extend before renewal, expect rates to rise, or need new funds without paying a break penalty now. It is less useful if current rates are well above your existing rate, since blending pulls your rate upward.
It usually avoids the immediate penalty because the mortgage is amended rather than broken. However, the higher blended rate is effectively how the lender recovers value, and if you later break the blended mortgage a new penalty could apply. Always confirm the terms in writing.