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Depreciation and Tax Deductions for Investment Properties

If you own a rental property, depreciation is one of your biggest tax advantages. Understanding how it works can significantly improve your investment returns.

Depreciation is a non-cash tax deduction that reflects the decline in value of your property and its components over time. Even though you’re not spending money (it’s non-cash), the ATO allows you to deduct it from your taxable rental income.

How it works:

Building depreciation: residential buildings built after 1987 can be depreciated at 2.5% of the construction cost per year. This deduction doesn’t come out of your pocket—it’s a paper deduction. If your building cost AUD 300,000 to build (or value attributable to building), you can deduct AUD 7,500 per year.

Plant and equipment depreciation: items like kitchens, bathrooms, carpets, and appliances wear out faster. These can be depreciated over their expected useful lives (typically 3–15 years, depending on the item). Kitchen depreciation might be AUD 3,000/year over 20 years, for example.

Real scenario:

You buy a rental property for AUD 500,000:

  • Land value: AUD 150,000 (land doesn’t depreciate)
  • Building value: AUD 300,000 (eligible for 2.5% depreciation)
  • Plant/equipment: AUD 50,000 (depreciated over useful lives)

Annual deductions:

  • Building: 300,000 × 2.5% = AUD 7,500
  • Plant/equipment (average): AUD 2,500
  • Total depreciation: AUD 10,000/year

Your taxable income:

  • Gross rent: AUD 24,000/year
  • Expenses (rates, insurance, maintenance): AUD 10,000
  • Mortgage interest (tax-deductible): AUD 18,000
  • Depreciation (non-cash): AUD 10,000
  • Taxable income: 24,000 - 10,000 - 18,000 - 10,000 = -AUD 14,000

Negative taxable income! You can claim a loss and offset it against other income. If you earn AUD 100,000 in salary, your taxable income becomes AUD 86,000, and you save tax accordingly.

This is powerful: you’re paying real money (mortgage interest), deducting it, and also deducting depreciation (which cost you nothing out-of-pocket). The combination creates large tax deductions.

Important caveats:

  1. Capital gains tax (CGT): when you sell the property, you’ll pay capital gains tax on the gain. Part of that gain includes the depreciation you claimed (called recaptured depreciation). So you eventually “give back” the depreciation benefit when you sell.

  2. CGT exemption: if the property was your main residence, you don’t pay CGT. If it was always an investment property, you do.

  3. Timing: depreciation applies only if you purchased after 1987 and the building was built after 1987. Older properties don’t qualify.

  4. Apportionment: you need to apportion the purchase price between land (which doesn’t depreciate) and building (which does). This often requires a quantity surveyor report.

  5. Renovations: major renovations can restart the depreciation schedule. A new kitchen might be depreciated separately from the original building.

Getting depreciation right:

  1. Have a quantity surveyor assess the property and provide a depreciation schedule (costs AUD 300–AUD 800)
  2. Give this to your accountant when preparing tax returns
  3. Claim the deductions annually
  4. Keep records of renovations and improvements (you might be able to claim accelerated depreciation)

Is it worth it?

For most rental investors, yes. A AUD 10,000 annual depreciation deduction is worth AUD 3,700 in tax savings (at 37% marginal rate). Over 20 years, that’s AUD 74,000 in tax savings.

The catch: you’ll pay capital gains tax on that amount when you sell. But tax deferral is valuable, and in many cases, the benefit persists (property appreciation might exceed the tax owed).

Depreciation is one of the legitimate tax advantages of property investment. Use it.