ATO draft rules may affect your holiday home tax claims
Do you own a holiday home that you sometimes rent out? The Australian Taxation Office (ATO) has released new draft guidance that may significantly change how you claim holiday home tax deductions. These changes replace decades-old advice and reflect recent legislation and court decisions, particularly where holiday homes are used primarily for lifestyle purposes rather than genuine income-producing activity.
The central question is whether your property is treated as a holiday home under the tax integrity rules. If it is, your ability to deduct expenses is restricted — even if you occasionally rent it out. Understanding how the ATO will assess your property and how to apportion expenses correctly is essential to staying compliant and maximising legitimate deductions.
Why the ATO is updating holiday home rules
The ATO has withdrawn its longstanding guidance on holiday rental properties and replaced it with three new draft rulings. These drafts modernise how deductions apply to mixed-use assets such as beach houses, cabins and investment-grade short-stay accommodation.
The updated guidance aims to address cases where a property is used predominantly as a personal holiday home, yet deductions are claimed as if the property were a commercial investment. By clarifying thresholds, risk categories and accepted methods of expense apportionment, the ATO is signalling a stronger compliance stance.
How the integrity rule applies to holiday homes
The underlying tax law contains an integrity rule specifically designed for leisure facilities, including holiday homes. This rule prevents deductions for expenses relating to property that exists mainly for your own use or enjoyment.
A property may be treated as a holiday home where:
- it is primarily used by you, your family or associates,
- rental customers are limited or infrequent,
- the home is not genuinely available for rent at market rates, or
- advertising and booking practices are inconsistent with commercial rental properties.
Under these conditions, deductions for interest, utilities, repairs, insurance and other holding costs may be substantially reduced or denied.
What the new ATO draft rulings cover
The first draft is a taxation ruling outlining how to declare rental income and claim deductions for mixed-use properties. It deals directly with common scenarios such as:
- renting to family or friends at discounted rates,
- short-term holiday letting platforms,
- periods of private use, and
- distinguishing private enjoyment from commercial intent.
The other two drafts are practical compliance guidelines. These explain how the ATO expects owners to split (or “apportion”) expenses based on rental use versus personal use, and how it will evaluate the level of risk associated with a holiday home arrangement.
Understanding the ATO’s traffic-light risk system
The draft guidelines introduce a traffic light system of risk zones:
🟢 Green (low) risk
Green zone arrangements are characterised by high levels of genuine rental activity and minimal private use. These are properties operated with a clear commercial purpose and treated as genuine income-producing investments.
🟡 Amber (medium) risk
These are mixed-use properties where the home is rented at market rates for a meaningful portion of the year but also used privately. Owners in this category can generally claim deductions proportionate to rental activity, provided records are accurate.
🔴 Red (high) risk
This category includes properties that:
- are mostly used by the owner or their relatives,
- are rarely rented commercially,
- are offered at above-market pricing or in inconvenient ways,
- or are made available only for short periods.
In these cases, the ATO may view the property as a lifestyle asset rather than a genuine rental investment. Expect a higher likelihood of audit, investigation or denied deductions.
How to correctly apportion expenses
Accurate apportioning is critical to claiming holiday home rental deductions in Australia. The draft guidance outlines approved methods, with the simplest approach being time-based.
Example:
If your holiday home is:
- available for rent 350 days per year, and
- actually rented 70 of those days,
you can generally claim 20% (i.e. 70 / 350) of annual running costs such as insurance, interest, maintenance and utilities.
Important rules to remember:
✔️ Private use days count as private — even if family or friends stay for free.
✔️ Only claim deductions when the property is genuinely available for commercial rent.
✔️ Discounted rent to family or friends usually limits deductions to the amount of that income.
✔️ Expenses directly linked to renting (e.g., cleaning after guests, listing fees) can typically be claimed 100%.
Maintaining detailed logs is essential: dates available, renter identities, advertising listings, booking enquiries and periods of vacancy.
Transitional arrangements before 12 November 2025
Although the rules are still draft, the ATO intends to apply them retrospectively once finalised. However, there will be a transitional compliance approach for arrangements existing before 12 November 2025, giving owners time to adjust their practices without immediate penalties.
This grace period is not an amnesty — it is an opportunity to get your house in order.
What property owners should do now
Even before the draft rulings are finalised, the ATO is sending a clear message. To protect your position:
- Review how you actually use your holiday home.
- Evaluate past deductions and identify potential red-flag claims.
- Improve record-keeping immediately — calendars, bookings, void periods, family stays.
- Benchmark your rental pricing against comparable properties and platforms.
- Ensure your advertising and availability reflect genuine commercial intent.
If you are unsure whether your property is a true income-producing asset, or if you’re at risk of falling into the red zone, seek professional advice early. Proactive planning will help you maximise legitimate deductions and avoid unwelcome ATO scrutiny.
Need guidance on the ATO’s holiday home rules?
These draft rules mark a significant shift in how the ATO approaches mixed-use properties. At Mathews Tax Lawyers, we help property owners and accountants understand the practical and legal implications — including how to structure usage, apportion costs, and maintain compliant records.
If you’d like tailored advice on your holiday home or a review of past claims, get in touch. A proactive strategy now can save you headaches later.