Capital Gains Tax and the 2026 Election: What It Actually Means for Property Investors
TL;DR
Capital gains tax is no longer a hypothetical. Labour is campaigning on a flat 28% CGT on residential investment and commercial property, applying only to gains made after 1 July 2027, with the family home and farms excluded. The Greens go further with a wealth tax and an inheritance-style tax. National, ACT and New Zealand First oppose new capital taxes. The election is on 7 November 2026. Whether any of this happens depends on the result and the coalition that follows. This is a neutral read of what's on the table, how it would work, and what to actually do about it now rather than panic about later.
For decades, capital gains tax in New Zealand was the policy every party talked about and none would carry to an election.
That changed.
Labour has put a CGT at the centre of its 2026 campaign, with a specific rate, a specific start date, and a specific use for the money. This isn't a working group musing anymore. It's a costed policy heading into a vote. Investors planning two or three years out need to understand it properly, without the spin from either side.
What Labour Is Actually Proposing
The headline: a flat 28% tax on the gain from selling residential investment property and commercial property, taking effect from 1 July 2027 if Labour wins and passes the law.
The detail that matters:
The family home is excluded. So are farms. Also excluded are KiwiSaver, shares, business assets, and inheritances. This is a targeted property tax, not a broad capital gains tax across all asset classes.
Only the gain after 1 July 2027 is taxed. Growth before that date is left alone. In practice you'd establish your property's value at 1 July 2027, and the tax applies to the difference between that value (or your purchase price, whichever is later) and the eventual sale price, less eligible expenses.
The 28% rate matches the company tax rate. Labour has earmarked the revenue to fund three free doctor visits a year for every New Zealander.
It would replace the current bright-line test, not sit on top of it. That's a meaningful point most coverage skips. The bright-line test already taxes gains on property sold within two years at your marginal rate. A CGT would fold that into one regime.
What the Other Parties Are Offering
This is where it pays to be even-handed, because the outcome depends entirely on who forms the government.
The Greens go considerably further than Labour. Their package includes a 2.5% annual wealth tax on net assets above $10 million for an individual (or $20 million for a couple), excluding the family home, plus a capital acquisitions tax (effectively an inheritance and gift tax) of 33% on amounts above $1 million, with family homes and farms exempt. Their approach to property has also included extending the bright-line test and revisiting interest deductibility. The Greens have criticised Labour's CGT as too limited.
National opposes new capital and wealth taxes, arguing they add complexity and dampen growth.
ACT advocates a simpler, lower-tax system and opposes the new taxes on the table.
New Zealand First has generally opposed wealth and capital taxes, and polling suggests it could be the party that decides which bloc governs.
Labour has been clear it would implement its own CGT but would not support an inheritance tax or a wealth tax. That distinction matters if Labour and the Greens end up negotiating.
So the spread runs from "no new capital taxes" on one side to "CGT plus wealth tax plus inheritance tax" on the other, with Labour's targeted CGT sitting in the middle. The election result and the coalition horse-trading decide which of these, if any, becomes law.
One View That Gets Left Out
Here's a perspective that rarely makes it into investor commentary, and it's worth sitting with even if you don't land on it.
Property investors routinely describe what they do as running a property business. They talk about their portfolio, their yield, their returns, their business structure. Many operate through companies and trusts, claim business expenses, and treat the whole thing as a commercial enterprise, because it is one.
If it's a business, then taxing its profit like a business isn't obviously unfair. A tradie pays tax on the profit from a job. A retailer pays tax on the margin from stock they buy low and sell high. A share trader pays tax on trading gains. Under this view, an investor who buys a property, holds it, and sells it for more has made a profit from a commercial activity, and taxing that profit at a business-equivalent rate is simply consistent treatment. The 28% rate matching the company tax rate fits that logic neatly.
This isn't the only way to see it, and there are strong counter-arguments. Property gains are often inflation rather than real profit. Investors take real risk and provide rental housing the market needs. Double-tax concerns arise where income has already been taxed along the way. And a tax that only bites property, not other assets, arguably distorts more than it fixes.
But the "it's a business, so tax the profit like a business" argument is a coherent one, and dismissing it out of hand weakens the investor case rather than strengthening it. Understanding the fairness argument on the other side is how you engage with the debate seriously instead of just reacting to it.
The Gap Nobody Is Talking About: Interest Deductibility
Here's the risk that should worry investors more than the headline rate.
In 2021, the previous Labour government phased out interest deductibility on residential rental property. The current government fully reversed that, with 100% deductibility restored from 1 April 2025.
Labour's 2026 CGT announcement is silent on interest deductibility. It has neither confirmed nor ruled out reinstating the earlier restrictions.
That silence is the real story. A CGT on its own is one thing. A CGT combined with the removal of interest deductibility would deliver a much heavier total tax burden on residential investors than the 28% headline suggests. You'd be taxed more heavily on the way through (via lost deductions) and again on the gain at sale.
If you're modelling political risk, don't just model the CGT. Model the CGT plus a possible return of the deductibility restrictions. That combination is the genuine downside scenario, and it's being under-discussed because the CGT headline is louder.
What Implementation Would Actually Look Like
Even if Labour wins and forms a government, this doesn't happen overnight.
The stated start date is 1 July 2027. That's the date from which gains would be taxed. Legislation would need to pass first, and property values would need to be established at that date to set the cost base.
The valuation question is the messy part. Every affected property would need a defensible value as at 1 July 2027, because that's the line between untaxed historic gains and taxed future gains. That's a significant administrative exercise, and how it's handled will matter enormously to individual investors.
Labour also hasn't fully specified which expenses would be deductible against the gain. That detail affects the real tax you'd pay and remains open.
What to Actually Do Now
Not panic, and not ignore it. Both are mistakes in an election year.
Document your cost base properly. Under any CGT, and under the current bright-line test, what you paid and what you've spent on improvements matters. Keep records of purchase costs, capital improvements, and associated expenses. If a CGT arrives, poor records mean you'll be taxed on a larger notional gain.
Get a sense of your 1 July 2027 position. If the policy proceeds, that date sets your cost base. Being aware of where your properties sit in value approaching that date is worth doing, without making rushed decisions around it.
Don't sell purely to pre-empt a policy that hasn't passed. Election-year panic selling is a classic error. The cost of a rushed exit, agent fees, lost rent, transaction costs, and possibly a softer sale price, usually exceeds the tax you were trying to dodge on a policy that may never take effect.
Think about structure, but get advice. How property is held (personal name, company, trust) interacts with tax law and would interact with a CGT. This is worth reviewing with your accountant, but don't restructure reactively on the basis of a proposal.
Where This Leaves You
Capital gains tax is closer to reality than it has ever been in New Zealand, but it is not law, and whether it becomes law depends on an election result and a coalition that don't yet exist. Labour's version is targeted and moderate. The Greens' package is broader. The right-leaning parties oppose new capital taxes entirely.
The disciplined response is to prepare, not predict. Keep good records, understand your position approaching mid-2027, watch the interest deductibility question closely, and make decisions based on the rules as they are, while staying informed about how they might change.
A portfolio that only works if there's never a CGT was always fragile. A portfolio that works across a reasonable range of tax outcomes is the goal, whatever happens on 7 November.
Election-year noise drives more bad property decisions than almost anything else. Most of it costs more than the policy it's reacting to.
At Crisp we help investors plan against the actual rules and the realistic range of change, not the headlines. You'll get a straight read on where your portfolio sits, what the real risks are, and how to structure for resilience across whatever the next government does.
Plan for the regime. Don't gamble on the election.
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About the Author:
Joshua Flack is a mortgage and lending adviser and the founder of Crisp Financial. Before finance, he spent two decades running businesses across construction, facilities services, and franchising, which is why his advice starts with how the numbers actually work rather than how the brochure says they should. He works with home buyers, investors, and self-employed borrowers across New Zealand, with particular depth in complex and non-standard lending. Crisp Financial Limited (FSP1012114) operates under the Link Financial Group FAP licence. The information in this article is general in nature and is not regulated financial advice.
This article is general information and reflects proposals and party positions as at the date of writing, ahead of the 7 November 2026 election. Tax policy is changing quickly through the campaign. It is not regulated financial or tax advice. For advice specific to your situation, speak to your accountant and a qualified adviser. Crisp Financial Limited (FSP1012114) operates under the Link Financial Group FAP license.
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