You own a business. You pay rent every month to a landlord who has nothing to do with your retirement. Or you are a professional investor looking at commercial yields and wondering why so few people hold this asset class inside super. Both scenarios lead to the same question: what does the tax treatment actually look like, and what changed in 2026?
How the Tax Works Inside an SMSF
The starting point is the concessional tax environment that applies to all complying superannuation funds.
A complying SMSF pays a concessional 15% on its assessable income, including rent, interest, dividends, and assessable contributions. So commercial rental income that would be taxed at your marginal rate if you held the property personally, potentially 32.5%, 37%, or 47% depending on your income, is taxed at 15% inside the fund while it remains in accumulation phase.
The picture changes again once members commence a retirement-phase pension. Earnings on assets supporting a retirement-phase pension are generally exempt from tax inside the fund, including rent and capital gains on those assets. That means a 0% tax rate on both income and gains, provided the fund is in pension phase and the assets are supporting that pension.
For capital gains specifically, the treatment splits by holding period and phase:
- Accumulation phase, held under 12 months: 15% effective rate on the gain.
- Accumulation phase, held over 12 months: Net capital gains on assets held longer than 12 months are effectively taxed at 10% after the one-third discount.
- Pension phase: If the SMSF is in retirement (pension) phase with segregated current pension assets, gains are exempt current pension income and no CGT is payable.
There is a ceiling on the pension-phase benefit. For 2025-26 the general Transfer Balance Cap is $2 million, and it is set to rise to $2.1 million from 1 July 2026. Amounts above the cap stay in accumulation, where earnings are taxed at 15%, or sit outside super. For a fund whose main asset is a single commercial property, understanding where that cap sits relative to your total balance is material planning work, not a footnote.
Also worth flagging: Division 296, from 1 July 2026, adds a new layer for funds at or approaching the $3 million individual total super balance threshold. This is general information, the interaction with property-heavy funds is something to work through with an SMSF specialist accountant.
The Business Owner Angle: Leasing Back Your Own Premises
This is the tax advantage that surprises many business owners when they first see it laid out.
A business owner can use their SMSF to buy the commercial premises from which their business operates. The rent is paid by the business to the SMSF, tax-deductible for the business, and the rental income inside the SMSF is taxed at just 15% (or 0% in pension phase). The business owner effectively pays rent to their own retirement fund.
The lease must be at genuine market rent and on arm's length commercial terms. The ATO actively scrutinises related-party lease arrangements, and non-arm's length income (NALI) rules can flip the tax rate on the entire fund's income if the terms are not right. Getting an independent rental appraisal at the outset, and updating it regularly, is not optional paperwork, it is what protects the tax position.
One GST point that catches many trustees off guard: an SMSF must register for GST if its actual or projected annual GST turnover exceeds $75,000 (the current ATO threshold). Commercial rental income is subject to GST and counts towards that $75,000 threshold. An SMSF specialist accountant can work through whether registration is required or beneficial for your fund's specific circumstances.
What Changed in 2026: The LRBA Rule Shift
If you planned to borrow inside an SMSF to buy commercial property, the rules around that changed materially this year, and the timing matters.
Per the ATO (ato.gov.au): LRBAs entered into on or after 10 August 2026 to purchase real property can only be used to acquire business real property. LRBAs are not banned, SMSFs can still borrow or maintain a borrowing under an LRBA to acquire an asset. However, the changes restrict real property assets to business real property.
The critical distinction here is that "commercial property" and "business real property" are not the same thing in law. The legislation refers specifically to business real property as defined under section 66 of the SIS Act. These two concepts overlap significantly, but they are not identical. Business real property generally means real property used wholly and exclusively in one or more businesses.
A commercial office leased to a business at market rent will generally qualify. An industrial unit, warehouse or factory used in a business will generally qualify. Vacant land, properties between tenants for extended periods, or properties with mixed residential use may not, the facts matter and each situation needs to be assessed carefully.
The ban took effect from 10 August 2026. Any existing LRBAs, including the refinancing of existing arrangements, and new arrangements entered into before 10 August (including those that settle after) are grandfathered.
A Worked Illustration
To make the numbers concrete, consider a straightforward illustrative scenario.
An SMSF in accumulation phase holds a small industrial unit purchased for $600,000. It generates $42,000 per year in commercial rent (this is illustrative, actual yields vary by location, property type, and vacancy periods; there is no implied projection here). The fund claims deductions for rates, insurance, LRBA interest, and depreciation totalling $18,000. Net taxable income: $24,000, taxed at 15% inside the fund. Tax bill: $3,600.
Held personally at a 37% marginal rate, the same net income would produce a tax liability of around $8,880, all else being equal. The difference sits inside the fund, compounding toward retirement.
Now run the same scenario with both fund members in full pension phase (within the Transfer Balance Cap). An SMSF in 100% pension phase does not pay tax on earnings. The rental income and any eventual capital gain are both exempt. This is the scenario a 55-year-old business owner looking at a 10-15 year horizon to retirement is modelling when they consider this strategy. Whether it stacks up for a specific fund depends on individual balance, contributions history, liquidity, and the property itself, none of which can be generalised.
What to Do Next
The tax structure here is real and well-established, but the compliance requirements are significant. Three concrete steps worth taking:
Talk to an SMSF specialist accountant first. They can assess whether your fund has sufficient liquidity to hold property, model the tax outcomes across accumulation and pension phases, and confirm whether the property you are considering qualifies as business real property under the SIS Act. This step happens before you look at a specific property, not after.
Speak with an SMSF-experienced mortgage broker about LRBA terms. LRBA loans carry different terms, deposit requirements, and interest rates compared with standard commercial lending. Understanding the fund's borrowing capacity and the ongoing liquidity obligations is essential before committing.
Get a property sourcing conversation on the table. EWC works with investors and SMSF trustees to identify commercial properties that fit the fund's strategy, at the right price and with the documentation to support compliance. You can start that conversation at /services or book a call at https://elitewealthcreators.com/booking/.
The rules around SMSF commercial property have sharpened in 2026. That is not a reason to avoid the strategy, it is a reason to get the structure right from the beginning.
General information only, not personal financial advice. Speak with a licensed adviser before acting.