The Bright-Line Test in NZ: How the Two-Year Rule Works

If you sell a residential investment property within two years of buying it, the profit is generally taxable. That is the bright-line test, and for Auckland investors it is one of the first rules to check before deciding to sell.

This guide explains how the two-year rule works as at May 2026: how the period is measured, how the tax is worked out, what is excluded, and where other rules can still catch a sale after two years. It is general information, not tax advice.

What the bright-line test is

The bright-line property rule was introduced to discourage short-term speculation in the housing market. Normally, a gain on selling a long-held rental is a capital gain and not taxed. The bright-line test changes that for quick resales.

If you sell a residential property within the bright-line period, any profit is treated as taxable income rather than a tax-free capital gain.

For property sold on or after 1 July 2024, the bright-line period is two years. Different, longer timeframes applied to sales before that date, which is why older articles quote five or ten years.

How the two years are measured

The period runs from a start date to an end date, and both are specific:

• Start date: for a standard purchase, the date the property's title is transferred to you. That is generally the settlement date, not the date you signed to buy.
• End date: for a standard sale, the date you enter into a binding sale and purchase agreement. Not settlement.

That second point matters. Suppose you settled on a purchase on 1 March 2025. If you sign an unconditional agreement to sell on 15 February 2027, the sale falls inside the period, even if it does not settle until April 2027. Sign on 2 March 2027 and it falls outside.

Off-the-plan purchases, gifts and some other transfers have their own start and end dates. If your purchase was anything other than a standard sale and settlement, check the specific rule.

How the tax is worked out

The taxable amount is broadly the sale price, less the purchase price and allowable costs such as legal fees and real estate agent commission on the sale.

That gain is added to your income for the year and taxed at your marginal rate. The higher your other income, the more of the gain is taxed at the top rate.

As an illustration, a $200,000 gain taxed entirely at the top personal rate of 39% would cost $78,000 in tax. That is a significant share of the upside, and the reason the rule is such a strong consideration when deciding how long to hold.

If interest on the property was disallowed in earlier years, that interest may be added to the property's cost when the sale is taxable, which reduces the gain. Our guide to interest deductibility explains how that works.

What is excluded

The bright-line test is aimed at investment and additional properties. Several situations fall outside it:

• Your main home. Generally, the test does not apply to a property that has been your main home, provided your use meets Inland Revenue's criteria. You can only have one main home, so a holiday home sold within the period would still be caught.
• Inherited property. The test does not apply if you inherited the property, or if you are the executor or administrator of the estate selling it.
• Certain ownership transfers. Full or partial rollover relief is available for some transfers, for example between certain associated parties. Whether it applies depends on the details.
• Business premises and farmland are also excluded.

Each exclusion has conditions. If you are relying on one, confirm it before you sign.

Selling after two years is not always tax-free

Passing the two-year mark takes a sale outside the bright-line test, but not outside every land sale rule. A sale can still be taxable, at any point, if:

• you bought the property with an intention to sell it
• you have a pattern of buying and selling, or of building and selling, your main home
• you, or someone you are associated with, are in the business of dealing, developing or building property, and the property was bought for that business.

These rules have existed for a long time and apply regardless of how long you have owned the property. Most long-term rental owners are not affected, but anyone who renovates and sells regularly should take advice.

Overseas owners

If you are an offshore person for tax purposes and sell a property that is subject to the bright-line test, residential land withholding tax may be deducted at settlement by your conveyancer, unless you hold a valid exemption certificate. If you own an Auckland apartment from overseas, raise this with your lawyer early.

Before you decide to sell

The bright-line test should inform a decision to sell, not make it. A few practical steps:

1. Find your start date. Check your settlement statement for the date the title transferred.
2. Work out your end date. Remember it is the date the agreement becomes binding, not settlement.
3. Look at the whole picture. Rent, cash flow and the condition of the property matter as much as tax. Our framework for deciding whether to hold or sell an Auckland investment property is a useful starting point.
4. Know what the property earns. If you are weighing selling against keeping it rented, an up-to-date rental appraisal gives you the income side of the comparison.
5. Get advice before you sign. Once a binding agreement is in place, the end date is fixed.

If you do sell a tenanted property, there are separate obligations to your tenants around notice and access. Our guide to selling an investment property covers those.

Inland Revenue's page on the bright-line test includes a property tax decision tool that walks through the rules for a specific sale.