By Dave McCarry | 27 August 2026

Labour's Capital Gains Tax Proposal: What Wellington Landlords Need to Know Before November

The 2026 NZ election is 10 weeks away. And if you own a Wellington rental property, one policy is dominating the landlord conversations I'm having right now: Labour's proposed 28% capital gains tax on investment property.

Some landlords are panicking. Some are already calling agents to list. And a lot of them, when we work through the detail, realise that the decision they were about to make doesn't actually make sense for their situation.

Before you do anything, here's what you need to understand.

What Labour Is Actually Proposing

Labour leader Chris Hipkins has announced a 28% capital gains tax on gains from residential investment property and commercial property as a key 2026 election policy. Here's the core of what the proposal says:

• A flat 28% tax on gains from residential investment properties and commercial properties
• Effective from 1 July 2027 (not from the election date)
• Realisation-based: you only pay when you sell, not annually on paper gains
• Replaces the current bright-line test for future gains

What's exempt: the family home (primary residence), farms, KiwiSaver, shares and managed funds, business assets, and inherited properties.

And the part most landlords don't realise: this is a proposal, not law. It only happens if Labour wins on 7 November and the legislation passes through Parliament. Current polling shows about 43% of New Zealanders support the CGT on investment property, with 36% against and 22% undecided. National, currently in government, opposes it.

That's not a foregone conclusion either way.

The retroactivity protection matters

Labour's proposed CGT is not retrospective. If you've owned a Karori rental for 15 years and the value has gone up by $500,000, none of that gain is taxed under this proposal.

Instead, if the policy becomes law, the base value for all investment properties would be set at market value on 1 July 2027. Only gains made after that date would attract the 28% tax when you eventually sell. The appreciation you've already earned is protected.

This is one of the most misunderstood parts of the debate right now, and it's a key reason why the "I need to sell before November" logic often doesn't hold up.

What happens to the bright-line test?

New Zealand currently has a two-year bright-line test. For residential property sold on or after 1 July 2024, a sale may be caught if the bright-line end date falls within two years of the bright-line start date. There are exclusions and other land-sale tax rules that can still apply, so landlords considering selling should check their individual position with their accountant or tax adviser.

Labour's proposed CGT would replace the bright-line test for future gains. Getting clear on your own position is important before making any decisions, and it's worth reading our post on what Wellington landlords can claim in 2026 for the broader tax picture.

Should Wellington Landlords Sell Before the Election?

This is the question I'm hearing most. And the honest answer is: for most Wellington landlords, there is no reason to rush into that decision purely because of the CGT announcement.

Here's why rushing to sell before 7 November doesn't make as much sense as it might feel like it does.

The tax doesn't kick in until July 2027, not November. Even if Labour wins the election, you'd have from November 2026 until at least July 2027 before new gains are taxed. And the gains you've already made are protected regardless. Selling before the election to avoid a tax on gains that haven't happened yet, and that only applies after a date that's still almost a year away, doesn't follow.

Labour still has to win. Three-way polling is tight. National remains in government and opposes the CGT entirely. Selling a well-performing Wellington investment because of a policy that might not pass is a significant risk to take on the basis of a policy announcement.

Wellington's market is still recovering. After the 2025 correction, where Wellington rents fell 11.8% and vacancy peaked at over 1,700 properties, the market is now in gradual recovery. Properties in Kelburn, Thorndon, and the inner suburbs are performing better than they were 12 months ago. But capital values haven't fully bounced back. Selling into a still-soft market to avoid a potential future tax on future gains is a trade-off that needs hard numbers behind it, not anxiety.

If you're already thinking about exiting your Wellington investment for other reasons (retirement, portfolio simplification, changing life circumstances), then yes, the CGT timeline is one factor to weigh. But it's one factor, not the whole decision.

For a broader look at how tax optimisation fits into the Wellington landlord picture, the chattels depreciation post covers one area where landlords are often leaving money on the table regardless of what any election delivers.

What Wellington Landlords Should Do Right Now

Rather than reacting to the headline, here are the practical steps that actually make sense.

Understand your current bright-line position. Know when you purchased your Wellington properties and which bright-line period applies to each one. This affects whether you have any tax exposure now, regardless of the election outcome. Your accountant can help you map this out.

Get tax advice before making any sale decision. The interaction between the current bright-line test, a potential CGT from July 2027, and your personal income tax situation is complex. There's no clean general answer. If you're seriously considering selling any Wellington investment property in the next two years, talk to a tax advisor now, before you sign anything.

Don't let the election noise distract from the compliance picture. The things affecting your Wellington rental right now, regardless of who wins in November, include Healthy Homes Standards compliance (fines up to $7,200 per breach), the Tenancy Tribunal's priority scheduling pilot running until October 2026, and the upcoming property manager licensing regime. These are real obligations with real cost implications today.

Keep your investment positioned for the recovery. Wellington's rental market is improving. The landlords I see doing well right now are retaining good tenants, keeping rents competitive rather than pushing them to maximise short-term income, and maintaining their properties so they're not hit with urgent maintenance costs. For many landlords, keeping a well-performing property through a period of policy uncertainty may make more sense than selling purely in response to an election announcement.

Watch what actually happens after 7 November. If National wins, the CGT goes away as a near-term issue. If Labour wins, you'll have from November until July 2027 to make decisions, and you'll have much clearer information about the final form of the legislation. That's more than enough time to make a considered decision rather than a panicked one.

Every property situation is different. The only way to know what the right call is for your specific Wellington investment is to look at your numbers, your timeline, your bright-line position, and your broader financial situation, ideally with people who know both Wellington's rental market and your tax picture.

If you'd rather hand the day-to-day management over to someone who handles it every day, tenant selection, inspections, maintenance, compliance, and rent collection, we'd be happy to talk. Get in touch with Dave at Propertyscouts Capital City.

Frequently Asked Questions

Would Labour's capital gains tax apply to my Wellington family home?

No. Labour's proposed CGT specifically exempts the family home (primary residence). The tax would only apply to residential investment properties and commercial properties. Farms, KiwiSaver, shares, business assets, and inherited properties are also exempt.

If Labour wins, would I have to pay CGT on gains I've already made on my Wellington rental?

No. Labour's proposed CGT is not retrospective. If the policy becomes law, the base value for all investment properties would be reset to market value on 1 July 2027. Only gains made after that date would be taxed when you eventually sell. Any appreciation your Wellington property has seen before July 2027 is fully protected.

Should I sell my Wellington rental property before the November 2026 election to avoid the CGT?

For most Wellington landlords, rushing to sell before November is not the right call. The CGT would only take effect from 1 July 2027, not from election day, and only if Labour wins and passes the legislation. Selling into a recovering market purely out of CGT anxiety may cost you more than the tax ever would. Get specific tax advice before making any decision.

What's the difference between the current bright-line test and Labour's proposed CGT?

The bright-line test taxes gains as income if you sell within a set period (currently 2 years for properties purchased from 1 July 2024 onwards). Labour's proposed CGT would replace the bright-line test with a flat 28% rate on future gains, applied at the time of sale with no time limit. Unlike the bright-line test, it would apply to all investment property sales regardless of how long you've held the property.

When would Labour's capital gains tax actually take effect if they win the election?

Labour's proposed CGT would take effect from 1 July 2027, not from election day. Even if Labour wins on 7 November 2026, they would need to pass the legislation first. Base values for investment properties would be established on 1 July 2027, and only gains after that date would be taxable.

Will Labour's capital gains tax affect Wellington house prices?

Tax policy is one factor influencing investor demand, alongside interest rates, rental yields, housing supply, and expectations about future capital growth. If Labour wins and the CGT proceeds, some investors may choose to sell or reduce their exposure to investment property, which could affect demand at the margins. But price movements depend on many forces at once. Wellington's market is already in a recovery phase after the 2025 correction, and whether CGT becomes law is just one of the variables investors and owner-occupiers will be weighing.

About Dave McCarry
Dave McCarry is the owner of Propertyscouts Capital City in Wellington and has worked in property, business, and customer service for many years. Since becoming a property investor in 2009, he has built a strong reputation for practical advice, strong tenant selection, and hands-on property management focused on protecting landlords' investments and maximising returns.