Blended rate
When you increase your existing mortgage amount mid-term, the lender averages your current rate with today's posted rate, weighted by the balance and the new money. Used in refinances that avoid a full break.
A blend lets you borrow more (or change your rate) without breaking the mortgage and paying the IRD penalty. The lender weighted-averages your existing rate and today's rate across the old balance and the new money, so your blended rate lands between the two.
There are two flavours: 'blend-and-extend' resets you to a fresh full term, while 'blend-to-term' keeps your existing maturity date. Extending is common when you're also pulling equity; keeping the term suits a smaller top-up.
Blending is often cheaper than breaking, but not always the best deal — sometimes paying the penalty and switching lenders wins. Compare both before signing the lender's blend offer.
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