Holiday home owners could lose access to major tax deductions, if their property is largely for private use, under new rules implemented by the Australian Taxation Office.
The ATO has finalised updated guidance targeting owners who claim investment property deductions while only making limited efforts to rent out their homes.
Under the new approach, owners will need to show their holiday property is mainly used to earn income if they want to claim deductions such as mortgage interest, council rates and depreciation expenses.
“This includes interest expenses, council and water rates, body corporate fees, capital works and decline in value. Only expenses such as advertising costs, cleaning costs after a guest stay and booking fees and commissions will be deductible,” the ATO said.
The stricter rules mean owners may need to make their properties available during high-demand periods such as Christmas, Easter and school holidays, depending on the location.
The ATO said peak rental periods could vary across Australia.
“For a holiday home located in the central business district of a capital city, peak demand may instead be influenced by major events such as sporting fixtures or festivals,” the office said.
Owners will also face tighter limits on personal use of the property if they want to continue claiming deductions.
According to the ATO, only minimal private use, such as a week or several weekends during the off-season, is allowed if homeowners want to argue that the property is used produce income.
Any private use would also need to be factored into deduction claims.
The updated guidance marks a significant shift from the ATO’s previous position, which allowed deductions as long as owners could show genuine attempts had been made to rent out the property.
The new rules will apply from July 1, 2026.
The changes could affect a substantial number of Australians, with consultancy firm KPMG estimating there are around 250,000 short-stay and holiday rental properties nationwide, or about 2 per cent of Australia’s housing stock.
Many of those properties are negatively geared, allowing owners to claim tax deductions against rental losses.
H&R Block communications director Mark Chapman said the ATO was “tightening the rules” in response to widespread overclaiming.
“Taxpayers have often been claiming full-year deductions for mortgage interest, rates and other ownership costs, even when the property is occupied by the owners for much of the year or is only superficially advertised for rent,” Chapman told Yahoo Finance.
“The new guidance makes it clear that deductions are only available when the property is mainly used to produce assessable income.
“The ATO wants to draw a firm line between genuine short-term rentals that operate on a commercial footing, and private holiday homes dressed up as investments.”
National Tax & Accountants’ Association senior advocate Robyn Jacbson told The Australian Financial Review the changes would come as a “rude awakening” for some owners.
Institute of Public Accountants senior tax adviser Tony Greco said the crackdown could prompt some owners to sell their holiday homes rather than meet the stricter requirements.
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