The ban on new SMSF residential borrowing isn't a proposal anymore. It's law. The Treasury Laws Amendment (Tax Reform No. 1) Act 2026 received Royal Assent on 26 June, and it commences 10 August 2026. If you've been thinking about buying a residential property inside your SMSF using a limited recourse borrowing arrangement, you now have a hard date to work backward from, not a general sense that "the rules might change eventually."

This isn't another explainer on how LRBAs work generally. If you want that, I've written one already. This is the practical checklist for anyone racing the clock: what actually protects you, what evidence to gather, and what to do if you're not going to make it.

What the SMSF residential LRBA ban actually does

The change amends subsection 67A(2) of the Superannuation Industry (Supervision) Act. From commencement, a new limited recourse borrowing arrangement over real property generally needs the property to qualify as "business real property" under section 66 of the same Act, meaning it's used wholly and exclusively in a business. An ordinary home or residential rental doesn't meet that test, no matter how the deal is structured. Vacant land and mixed-use property with a private residential component sit in a grey zone and need individual review. The ban was the price of Greens support for the government's broader tax reform package, covering the CGT discount changes and negative gearing restrictions from 1 July 2027. It's prospective only. There's no retrospective clawback and no forced sale of anything already in place.

The date that actually matters: contract, not settlement

This is the single most important thing in this whole article, so I'll say it plainly. The protection turns on when your SMSF trustee exchanges or signs the contract of sale, not when the deal settles. If your contract is signed before 10 August 2026, your LRBA arrangement can proceed and settle after that date and still be valid. If your contract is signed on or after 10 August, it doesn't matter how advanced your finance approval or building inspection was. You're caught by the ban. This mirrors how capital gains tax already treats property transactions, where the CGT event happens at contract date, not settlement. If you've dealt with property timing before, this will feel familiar. If you haven't, it's worth repeating to your solicitor and your broker until everyone's working off the same date.

The beat-the-deadline checklist

If you're actively trying to get a residential LRBA over the line before 10 August, here's the order I'd work through it in.

  • Confirm your SMSF's borrowing capacity right now. Don't assume pre-approval from months ago still holds. Lender appetite for SMSF residential LRBAs has been tightening as the deadline approaches, and some lenders are already prioritising or fast-tracking applications specifically because of the date. Call your broker today, not next week.
  • Get the bare trust and custodian structure documented early. An LRBA needs a separate bare trust holding legal title while the SMSF holds beneficial ownership. If this structure isn't already set up for your fund, get your SMSF specialist drafting it now. This step alone can take longer than people expect when done properly.
  • Lock in the property before the legal deadline, with buffer. Don't aim for 9 August. Aim for at least a week or two earlier. Contract negotiations slip, vendors ask for extensions, and cooling-off periods introduce timing you don't fully control. Treat 10 August as the outer boundary, not the target.
  • Get your investment strategy and trust deed reviewed before signing. The property still needs to fit your SMSF's documented investment strategy and satisfy the sole purpose test. A rushed purchase that doesn't align with your fund's stated strategy creates a separate compliance problem, even if it beats the LRBA deadline.
  • Confirm your fund's cash position for the deposit and ongoing loan servicing. An LRBA still requires the fund to service loan repayments from contributions and rental income. Rushing into a deadline-driven purchase without confirming the fund can actually sustain the arrangement defeats the purpose.

Build an evidence pack, not just a signed contract

Given how much weight the contract date carries, I'd want more than just a dated signature page if this is ever reviewed. Put together a file that includes the executed contract of sale with a clear exchange date, correspondence with your solicitor or conveyancer confirming when exchange occurred, the loan and LRBA documentation with matching dates, and a timeline note explaining the sequence of events. If there's ever a question about whether your arrangement falls inside or outside the transitional protection, you want your accountant or SMSF auditor to be able to answer it in one look at the file, not by reconstructing a timeline months later.

If you're not going to make the deadline

Realistically, plenty of people reading this are already too late to sign a contract with genuine confidence before 10 August. That's fine. Here are your actual alternatives, in order of how commonly they apply.

  • Buy residential property with cash instead of borrowing. If your SMSF has sufficient liquidity, you can still acquire residential property outright. You lose the leverage effect an LRBA provides, so the return profile and diversification of your fund look different, but the ban does not touch cash purchases at all.
  • Consider commercial or business real property instead. LRBAs remain fully available for business real property, including warehouses, offices, and retail premises used wholly and exclusively in a business. If you or a related business need premises, this path stays open and can even suit a fund looking to combine property investment with a related-party lease arrangement.
  • Wait and rebuild fund liquidity for a future cash purchase. If neither of the above suits your current position, the honest answer is to keep contributing, let the fund build cash reserves, and revisit residential property as an unleveraged purchase down the track. It's a slower path but a completely viable one.
  • Look outside the SMSF structure entirely. Depending on your personal tax position, a residential investment property held personally, through a trust, or through a company might still make more sense than trying to force a purchase into your SMSF under time pressure. Structure choice should follow your overall financial position, not a legislative deadline.

Don't touch what you already have

If your SMSF already holds a residential property under an LRBA entered into before commencement, the grandfathering protection is comprehensive. You don't need to refinance, restructure, or sell. Refinancing remains permitted too, provided it genuinely maintains the existing borrowing rather than increasing it or creating a new arrangement in substance. If your loan is coming up for a rate review or fixed-term rollover near the commencement date, get advice on how the refinance should be documented so it's clearly understood as a continuation, not a new LRBA.

My honest view on this one

I understand why the Greens pushed for this and I understand the political logic behind trading it for the wider reform package. But I think the deadline design creates a genuinely unfair scramble for trustees who were mid-process before the announcement, through no fault of their own. If you're in that position, don't let the pressure push you into a rushed purchase that doesn't actually suit your fund's strategy just to beat a date. A residential property that doesn't fit your investment strategy is a worse outcome than missing the LRBA window entirely.

Frequently Asked Questions

When does the SMSF residential LRBA ban actually take effect?

The Treasury Laws Amendment (Tax Reform No. 1) Act 2026 received Royal Assent on 26 June 2026. The ban commences 45 days later, on 10 August 2026. From that date, a new SMSF limited recourse borrowing arrangement over real property generally must be over business real property to qualify.

Is it the contract date or the settlement date that matters?

The contract date. If your SMSF trustee exchanges or signs a contract to acquire the property before 10 August 2026, the transitional protection applies even if settlement happens after that date. A contract signed on or after 10 August will not be protected, regardless of how the settlement timeline runs.

Does the ban stop my SMSF from owning residential property at all?

No. The ban only affects borrowing. An SMSF can still buy residential property outright using existing fund cash, provided the purchase fits the fund's investment strategy and satisfies the sole purpose test and other usual SMSF rules.

What happens to my existing residential LRBA after the ban starts?

Nothing changes. Existing residential LRBAs entered into before commencement are grandfathered and continue on their original terms. You do not need to unwind, restructure, or sell the property because of this change.

Can I still refinance an existing SMSF residential LRBA after 10 August 2026?

Yes, in general. The legislation includes transitional wording permitting refinancing of a pre-commencement borrowing, provided the refinance does not increase the amount borrowed and genuinely maintains the existing arrangement rather than creating a new one in substance.

Does the ban affect commercial or business property LRBAs?

No. LRBAs remain available where the property qualifies as business real property under section 66 of the Superannuation Industry (Supervision) Act, meaning it's used wholly and exclusively in a business. Warehouses, retail premises, and offices used in a business are unaffected.

What if my SMSF is mid-negotiation but hasn't signed a contract yet?

You're in the highest-risk category. Without a signed or exchanged contract before 10 August 2026, the arrangement is not protected, regardless of how far negotiations have progressed. Speak to your SMSF specialist immediately about whether your timeline can realistically get a contract signed before the deadline.

Whether you're racing this deadline or planning your fund's next move once the window closes, the right call depends on your fund's liquidity, your investment strategy, and what you're actually trying to achieve over the next decade, not just the next three weeks.

Apply for a Strategy Session to work through your SMSF property options.

Andrew Romano is a Chartered Accountant and SMSF Specialist based in Sydney. He works with high-income individuals, business owners and investors on tax planning, structuring and self-managed super funds.

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