Negative Gearing & CGT Changes 2026: What Darwin Property Investors Need to Know

The 2026–27 Federal Budget, handed down on 12 May 2026, delivered the biggest shake-up to property investment tax rules in a generation. If you own — or are thinking about buying — an investment property in Darwin or the wider NT, these changes will shape your strategy for years to come. Here's what's actually changing, when it takes effect, and who is (and isn't) affected.

What's Changing

There are two major reforms, both now law:

1. Negative gearing limited to new builds. From 1 July 2027, established (existing) residential properties purchased after 7:30pm AEST on 12 May 2026 will no longer qualify for negative gearing. Investors who buy an existing property after that cut-off will not be able to offset rental losses against their salary or other personal income. Instead, losses on these properties can only be offset against rental income or future capital gains from residential property. New builds are treated differently — they remain fully eligible for negative gearing, meaning losses can still be offset against any income.

2. The 50% CGT discount is being replaced. The flat 50% CGT discount that's applied since the Howard era is being replaced with a system based on cost base indexation, combined with a minimum 30% tax rate on capital gains. This applies to individuals, trusts, and partnerships (not companies, super funds, or foreign/temporary residents) and only affects gains accruing after 1 July 2027. Investors in new builds get a choice — they can elect to keep the existing 50% discount or use the new indexation method, whichever works out better for them.

Who's Protected (Grandfathering)

This is the detail that matters most for existing investors: if you already own your investment property, or you're under contract before Budget night, you're grandfathered. Your existing negative gearing arrangements continue under the current rules. The changes only bite for established properties purchased after 7:30pm AEST on 12 May 2026, and capital gains that accrue after 1 July 2027 (even on assets bought earlier). So there's no need to panic about existing holdings — but it does mean the rules for your next purchase look very different from your last one.

What This Means for Darwin Investors

If you're planning your next purchase: established houses and units in suburbs like Coconut Grove, Fannie Bay, or Larrakeyah now come with a real tax trade-off compared to new builds. A new-build apartment or house-and-land package retains full access to negative gearing and your choice of CGT treatment — a meaningful point of difference that didn't exist before.

If you already hold established property: you're grandfathered, but it's worth reviewing your structure now, before 1 July 2027, while the current rules still fully apply to any restructuring.

If you're weighing subdivision or dual-occupancy opportunities: a newly constructed dwelling on a subdivided block may qualify as a "new build" and retain the more favourable tax treatment. The exact definition of what counts as a new build will be critical here, and is still being finalised in the detail.

If you hold property through a trust: note the CGT indexation changes apply to trusts, and a separate 30% minimum tax on discretionary trusts is also legislated to begin from 1 July 2028 — worth factoring into any structure review.

The Bottom Line

These reforms don't punish existing investors, but they materially change the maths on future purchases. The gap between buying established versus new stock has widened, and the timing of any sale relative to 1 July 2027 now matters for your CGT position.

If you're planning a purchase, sale, or considering how your existing portfolio or trust structure holds up under these changes, it's worth getting a proper review done before you commit — not after.

This article is general information only and does not take into account your personal financial situation. Contact A1 Accounting & Tax Solution for advice tailored to your circumstances.