🇳🇿 New ZealandTax year 2026–27

Rental Property Tax Calculator NZ 2026–27

Estimate net rental income, ring-fenced deductions and their income-tax effect.

Source check 10 October 2026 · General information, not tax advice

Calculate your result

Tax year 2026–27 · New Zealand dollars · results update automatically

Gross residential rent

Confirmed operating expenses

Eligible interest deductions

Your ownership percentage

Ring-fenced deductions brought forward

Other taxable income

Results update automatically

indicative

2026–27 result

Rental Property Tax Calculator

Your rental income share: $30,000.00
Available deductions: $18,000.00
Deductions used this year: $18,000.00
Net taxable rental income: $12,000.00
Deductions carried forward: $0.00
Estimated additional income tax: $3,960.00

Scope warning

Residential ring-fenced excess deductions are carried forward rather than offset against salary or wages.

Assumptions

Ownership share, expense classification and interest deductibility are user-confirmed.

How this calculator works

Estimate net rental income, ring-fenced deductions and their income-tax effect.

Formula

Eligible deductions are limited to residential rental income and excess deductions carry forward.

Worked example

Expense and interest eligibility remain user-confirmed.

Scope and edge cases

Eligibility, tax codes, certificates, multiple income sources and annual reconciliation can change the final outcome. Missing components are disclosed instead of silently becoming zero.

Frequently asked questions

Is this rental property tax calculator exact?

The result card says whether the calculation is exact for its supported scope, indicative, missing inputs or unsupported. It never promotes an incomplete rule set as exact.

Does Taxliva store my salary?

No account is required and the interactive calculation runs in your browser.

Which tax year is used?

It uses the New Zealand tax year from 1 April 2026 to 31 March 2027.