Common Mistakes in SMSF Related Party Lease Rent

If your SMSF owns business premises and your company is the tenant, the rent must be set at market rate. Rent set too low, or left unreviewed, puts the fund's tax position and compliance at risk.

This article covers what trustees leasing to a related party need to get right, and how the rules affect an SMSF commercial loan in Queensland.

Does an SMSF Related Party Lease Have to Be at Market Rent?

Yes. A lease between an SMSF and a related party should be on arm's length terms, which means market rent and normal commercial conditions. The ATO taxes non-arm's length income (NALI) at the highest marginal rate of 45 per cent, rather than the concessional 15 per cent that applies to a complying fund's assessable income.

The rule exists because the fund and the tenant are connected. Without a market test, a trustee could charge their own business less than market rent and push value out of the fund. They could also charge more than market rent and push money into the fund beyond what the rules intend. Either way, the terms are no longer what two unrelated parties would agree on.

SMSF trustees should get tax advice from their accountant on how NALI could apply to a specific lease.

Why Business Real Property Matters for a Lease Back to Your Business

For a limited recourse borrowing arrangement (LRBA) entered into on or after 10 August 2026 to buy real property, the property must be business real property. This means land and buildings used wholly and exclusively in one or more businesses. The exception is where the SMSF exchanged a binding contract before 10 August 2026. In that case the rule does not apply, even if settlement or the LRBA happens later.

The property must meet the test when the loan starts and for the whole life of the loan. Leasing it to your operating company for business use can satisfy that test. Part-business, part-private use cannot. A property that is marketed as commercial still has to be used wholly and exclusively in a business.

Business real property also affects the in-house asset rules. When a holding trust leases property to a related party, the SMSF's interest is normally an in-house asset. The exception is where the asset would not be an in-house asset if the SMSF held it directly, as is the case with business real property. Our SMSF commercial property loans page covers how lenders assess this type of purchase.

How Should You Set and Document Market Rent?

Market rent is best set by an independent written opinion, such as a rental appraisal from a valuer or agent, prepared before the lease starts and refreshed at each review. The aim is to show that the rent matches what an unrelated tenant would pay for comparable premises.

The lease itself should be in writing and cover the usual commercial terms: rent, review dates, outgoings, term and repair obligations. The tenant should then actually pay on time, into the fund's account, and the fund should chase arrears as it would with any tenant.

Consider a trustee who buys a warehouse in Brisbane through an SMSF, with a bare trust holding the title, and leases it to their own trade supplies company. The trustee gets a written rental appraisal before signing and sets the lease rent to match it. The lease includes annual reviews and a market review at the end of each term. The company pays rent monthly into the fund's account. When the accountant prepares the fund's return, the rent, the appraisal and the lease are on file. The rent is supported by evidence, and the loan serviceability is tested against that rent. The outcome is a documented arm's length lease, rather than a rent figure the trustee simply picked.

Common Mistakes With SMSF Related Party Rent

The most frequent mistakes are setting rent without evidence, never reviewing it, letting the tenant pay late, and mixing private use into the premises. Each one can undermine the arm's length position or the business real property status.

Taking each in turn:

• Rent set by guesswork. A figure that suits the business cash flow is not a market figure. Get an independent opinion.
• No reviews. Market rent moves. A lease that never changes drifts away from market over time.
• Informal payment. Skipped or delayed rent, with no action from the fund, looks like a gift from the fund to the tenant.
• Private use. If part of the premises is used privately, the property may fail the wholly and exclusively test. If that happens during an LRBA, the fund has breached the borrowing rules and compliance action may apply.

A further point on timing: if a property is vacant while the owner looks for a new tenant, it does not stop being business real property. If the owner abandons plans to lease it, it does.

How Rent Affects Your SMSF Commercial Loan Application

Lenders generally assess an SMSF commercial loan using the rent the fund will receive, along with the fund's other contributions and liquidity. A lease at an evidence-backed market rent gives the lender a figure it can rely on. Maximum loan size and deposit requirements vary by lender and depend on the property and the fund's position.

As an illustration only, at a rate of 6.75% p.a. the interest on a $1,000,000 loan would be $67,500 a year, or about $5,625 a month, before any principal. The rent needs to cover that and the property's running costs, with the fund's contributions covering any shortfall. Your actual rate will depend on your deposit and your lender.

The trade-off is that the arrangement ties your retirement savings to a single property and a single tenant. If your business struggles, the fund's rental income falls with it, while the loan repayments continue.

If you already hold a loan from before 10 August 2026, the new business real property rule does not apply to it, including on refinance. See our SMSF loan refinance page for how refinancing works. If you are comparing structures, the SMSF finance and mortgage brokers home page explains how we work with trustees. The ATO has also opened consultation on draft updates to its business real property ruling, with feedback due by 13 November 2026, so the guidance may change.

Call one of our team or book an appointment at a time that works for you, and we will review your lease, your rent evidence and your loan structure before you commit.

Frequently Asked Questions