With major tax changes taking effect in 2025, including interest deductibility and bright-line updates, property investors need to prepare for the next tax year.
Here’s a practical checklist to help you get your records in order, optimise deductions and plan your cashflow for the year ahead.
When planning a rental property purchase, it is important to understand the deposit requirements for an investment property, as this can significantly affect borrowing capacity and overall investment strategy.
Read on for tax tips sourced from New Zealand’s IRD and local experts. Note that the information provided is not tax advice. For expert tax advice, contact a certified accountant.
Tax scams are most common around EOFY. Always verify the legitimacy of any communication claiming to be from the IRD and never share personal information if you are suspicious of a link or message.
The IRD requires investors to keep records for at least 7 years. This includes:
This distinction is often overlooked, but it makes a big difference to your tax bill.
By April 2026, this is 100% deductible.
Want detailed worked examples? Read our full guide on Interest Deductibility Changes in New Zealand.
From 1 July 2025, the bright-line test shortened to 2 years.
this gives investors more flexibility than the previous 5-10 year rules.
Some expenses can be prepaid and deducted in the year paid, including:
Check with your accountant if pre-paying makes sense before 31 March.
While you can’t depreciate your residential buildings, you can claim depreciation on chattels and fit-outs within the property. Items like carpets, appliances, and furniture can be depreciated over their useful lives. Ensure you have a detailed depreciation schedule to support your claims. The IRD’s depreciation guide offers comprehensive information on calculating and claiming these deductions.
Tax rules change regularly. A registered tax adviser can:
Every deduction you can claim – from interest to repairs, lowers your tax bill and frees up money to reinvest. Staying ahead of the rules means better cashflow and less financial pressure at year-end.
While the tips above provide a useful checklist, every investor’s situation is unique. Getting professional tax advice ensures you claim everything you’re entitled to, avoids costly mistakes, and help you plan confidently for the next financial year.
What to do next: If you are planning a rental property purchase and want to understand how deposit size may affect your borrowing position, read our guide to minimum deposit options for investment property in New Zealand. For tax advice, speak with a qualified accountant. For lending structure and mortgage options, Platinum Mortgages can help you understand what may be possible before you make an offer. Contact us to plan your next move.
Angela is an accredited Financial Adviser, licensed under FSP742251 and has been in the Financial Industry since 2006. Our 5-star Google reviews reflect the excellent customer experience we promise — making your home loan journey positive, stress-free, and rewarding. At Platinum Mortgages, our clients are the reason we exist — so you can be confident every step is guided by genuine care and expertise.
