Mortgage Offset
Interest saved by offset-account savings.
NZ$
NZ$
%
Annual interest saved
$2,037.00
Effective interest-bearing balance: $470,000
| Loan balance | $500,000 |
|---|---|
| Offset balance | $30,000 |
| Effective balance | $470,000 |
| First-year saving | $2,037 |
About this calculator
An offset account reduces the loan balance interest is calculated on, without paying down principal.
- Saves at the mortgage rate (typically 6–7%) — better than after-tax savings rate.
- Fully retained access to your savings.
Frequently asked questions
Which NZ banks offer offset?
Westpac, BNZ, Kiwibank and ASB all offer variants. Terms differ.
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Calculator NZ provides general information only. For decisions with significant financial, medical or legal consequence please consult a qualified professional.