The start of a new financial year usually brings a few tax tweaks. This year is different. A significant package of reforms affecting property investors has now passed federal Parliament, and if you own — or are thinking about buying — an investment property in South Australia, some of these changes are worth understanding now rather than later.

Below is a plain-English guide to what has changed for 2026–27, what is coming, and the practical steps that can make a real difference to how a purchase or sale is timed and structured. None of this is tax or financial advice — but several of the changes turn on legal timing and structuring, which is exactly where getting the right advice early pays off.

What has actually changed?

Most of the headline measures sit inside the Treasury Laws Amendment (Tax Reform No. 1) Act 2026, which received Royal Assent on 26 June 2026. Importantly, the changes commence at different times: one lands in August 2026, while the largest reforms do not begin until 1 July 2027. Knowing which is which is the key to planning sensibly rather than reacting.

1. A ban on new SMSF loans for residential property (from 10 August 2026)

This is the most immediate change. From 10 August 2026, a self-managed superannuation fund (SMSF) will no longer be able to enter a new limited recourse borrowing arrangement (LRBA) to buy residential property. In plain terms, if you were planning to have your SMSF borrow to purchase a residential investment property, that window is closing.

A few points matter here:

  • Existing arrangements are grandfathered. If your SMSF already has an LRBA in place, it is not affected, and refinancing an existing arrangement is expected to remain possible.
  • Commercial and business real property are not caught. The ban is aimed at residential property. An SMSF borrowing to acquire commercial premises — including, in many cases, the premises your own business operates from — is treated differently.
  • The trigger is when you exchange contracts, not settlement. If a fund enters into the purchase before commencement, it can generally proceed under the existing rules. That makes contract timing critical for anyone with an SMSF purchase already in motion.

If your SMSF is mid-purchase, the practical priority is aligning the contract and finance steps so you are not caught on the wrong side of the date. It is worth reviewing this with your adviser and your conveyancer without delay.

2. Negative gearing changes (from 1 July 2027)

From 1 July 2027, the tax treatment of rental losses on residential property is changing. In broad terms, where a residential property is acquired after 7:30pm (AEST) on 12 May 2026 — the moment the change was announced — net rental losses will generally no longer be able to be offset against your other income, such as your wages. Instead, those losses are "quarantined" and carried forward to offset future residential rental income or capital gains.

Two important carve-outs soften this:

  • Properties acquired before the 12 May 2026 cut-off are grandfathered — they keep their existing negative-gearing treatment.
  • New residential dwellings acquired after the cut-off can continue to be negatively geared, reflecting the policy's focus on encouraging new housing supply.

Because the outcome turns on when a property is acquired and whether it is new or established, the way and timing of a purchase can materially affect how it is taxed for years to come. That is a question to work through with your accountant, alongside advice on the contract itself.

3. Capital gains tax changes (from 1 July 2027)

Also from 1 July 2027, the long-standing 50% CGT discount for individuals and trusts is being replaced. In its place, gains are to be adjusted for inflation using cost-base indexation, with a 30% minimum tax applying to net capital gains. The changes are directed at resident individuals and trusts; companies, superannuation funds, and foreign or temporary residents retain their existing CGT treatment.

For long-term investors, this shifts the arithmetic on when it makes sense to sell, and on whether property is best held personally, in a trust, or in another structure. There is no need to act rashly — but it is a good reason to review your holdings and ownership structure well before the 2027 start date, rather than in a hurry close to it.

4. The new $3 million super tax (Division 296, from 1 July 2026)

If you hold property or other assets inside superannuation, Division 296 is worth knowing about. From 1 July 2026, an additional 15% tax applies to the portion of your superannuation earnings attributable to a total super balance above $3 million (with a further 10% above $10 million). It is measured per person and first assessed after 30 June 2027.

For an SMSF member with a substantial property inside the fund, this is primarily a question for your accountant and financial adviser. The legal dimension tends to arise around succession — how fund assets and control pass on death — which sits naturally alongside your broader estate planning.

What this means for South Australian investors

These are Commonwealth changes, so they apply across Australia — but they layer on top of the South Australian settings investors already navigate, including land tax (assessed by RevenueSA on taxable landholdings above the annual threshold) and the foreign ownership surcharges that apply to some purchasers. The restrictions on foreign buyers acquiring established homes also remain in place. In practice, a South Australian investor now has more moving parts to line up: the federal reforms, state land tax and duty, and the usual conveyancing and structuring decisions.

The reassuring news is that none of this makes property investment unworkable. It simply rewards planning — and penalises leaving decisions to the last minute.

What you can do now

  • If an SMSF residential purchase is on the table, check where you stand against the 10 August 2026 date and get the contract and finance steps aligned early.
  • If you are buying an investment property generally, understand whether it is treated as new or established, and how the 12 May 2026 cut-off affects it, before you commit.
  • If you hold property in your own name or a trust, it is a sensible time to review your ownership structure ahead of the 2027 CGT and negative-gearing changes.
  • If significant assets sit in super, revisit your estate and succession planning so control and benefits pass the way you intend.
  • Coordinate your advisers. These reforms sit at the intersection of tax, finance and law — the best outcomes come when your accountant, financial adviser and lawyer are working from the same page.

How Zed Legal can help

We are a South Australian law practice, not a tax agent or financial adviser — but much of what determines your position under these reforms is legal: how and when a contract is entered into, how a purchase is structured, and how property held in a company, trust or SMSF is dealt with over time and on death. Whether you need a conveyance handled with the timing right, structuring advice for a company or trust, property law guidance on a contract, or estate planning for assets held in super, we can work alongside your accountant to keep everything aligned. If you have a purchase, sale or structuring decision coming up, contact us on (08) 8166 7569 or at hello@zed.legal.

This article is general information only and is current as at July 2026. It is not legal, tax or financial advice and does not take your circumstances into account. The measures described are set by Commonwealth law and administered by the ATO, and their detail and commencement may be subject to further guidance or change. Please obtain advice tailored to your situation — including from a registered tax agent or licensed financial adviser where relevant — before acting.