Free Interest Deductibility Calculator for New Zealanders
From 1 April 2025, interest on residential rental property is fully deductible again. Earlier years had partial deductibility under the phase-down rules. New builds and commercial property have always been 100% deductible.
Your interest
$30,000
$
Property type
Deductible interest
$30,000
100% from April 2025
Based on $30,000 of rental interest, post-2021 acquisition.
Deductible %100%
Deductible amount$30,000
Denied amount$0
About our Interest Deductibility Calculator
Disclaimer: This calculator is for information only and does not constitute financial advice. Real-world figures may differ due to fees, rounding, rate changes, and policy specifics. Always confirm figures with the relevant provider before signing anything.