Helping Your Children Buy Property
Before helping an adult child buy property, consider how a gift, loan, guarantee or ownership arrangement could affect lending, tax and your wider financial position.
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1. Getting initial repairs and capital improvements right
You can claim interest on a loan for your rental property, but only for the part used for the rental. If you use some for personal expenses, like a boat or holiday, you can't claim that interest. Separate the interest between rental and personal use for the entire loan period.
If your borrowing expenses are over $100, you spread the deduction over 5 years. If they're $100 or less, you can claim the full amount in the same year you incurred the expense.
What’s typically included in borrowing expenses:
In the first year, only claim borrowing expenses for the number of days you own the property.
You can't claim deductions for costs of buying your property, like conveyancing fees and stamp duty. If you sell the property, these costs
help determine your capital gains tax.
6. Body corporate fees and charges
Payments to your body corporate administration fund are fully deductible in the year you pay them.
For major improvements or repairs funded by the body corporate, you can't claim an immediate deduction. Instead, you may claim a capital
works deduction once the work is completed and the cost is allocated to the appropriate fund.
7. Apportioning expenses and income for co-owned properties
8. Apportioning deductions for private use of your property
When selling your rental property:
10. Selling
your rental property
When you sell your rental property, you might have a capital gain or loss. This is typically the difference between:
Do not include amounts already deducted from rental income, such as depreciation and building improvements, in your cost base. Also, reduce your cost base by any deductions claimed for building improvements made after 7:30 pm on 13 May 1997.
If you have a capital gain, you must include it in your tax return for that year.
If you have a capital loss, you can carry it forward and deduct it from future capital gains.
Before helping an adult child buy property, consider how a gift, loan, guarantee or ownership arrangement could affect lending, tax and your wider financial position.
Own a holiday home that you also rent out? From 1 July 2026, private use can have a greater impact on which property expenses are deductible.
Should surplus cash sit in your mortgage offset or be invested? The answer depends on tax, risk, liquidity, borrowing plans and what the money is ultimately for.