Tax Savings Write Offs · Koste Knowledge Base

What can I claim on my investment property to save tax?

Published 26 June 2026 · Last updated 26 June 2026

Quick Answer

Investment property owners may be able to claim a range of deductions, including loan interest, property management fees, repairs, depreciation and capital works. A tax depreciation schedule can help identify non-cash deductions that are often missed, especially for buildings, renovations, common property and new assets.

Many investors focus only on obvious deductions such as interest, rates, insurance and property management fees. However, property-related depreciation can be one of the most commonly missed opportunities.

Potential claim areas include:

Loan interest
Council rates
Water rates
Property management fees
Insurance
Repairs and maintenance
Accounting fees
Tax depreciation
Division 40 plant and equipment
Division 43 capital works
Previous owner renovations
New assets purchased after settlement
Common property in apartment buildings
Scrapping deductions where assets are removed
Commercial fit-out assets
CGT cost base records when selling

Depreciation is powerful because it can be a non-cash deduction. The investor does not spend the depreciation amount each year, but the deduction may still reduce taxable income.

Koste.ai helps investors understand what claim areas may exist and whether a formal depreciation schedule or CGT cost base report is required.

Frequently Asked Questions

Can I claim depreciation on all investment properties?

Not always. The claim depends on property age, use, ownership, asset type, construction date and current tax rules.

Is depreciation a cash expense?

No. Depreciation is usually a non-cash deduction, which is why it can help improve after-tax cash flow.

Do I need a quantity surveyor?

If construction costs are unknown or a depreciation schedule is required, a qualified quantity surveyor can estimate eligible costs.

Can I claim missed depreciation?

You may be able to amend prior returns within time limits. Your accountant should confirm your position.

Can Koste.ai help?

Yes. Koste.ai can help identify whether depreciation or cost base support may be required.

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Written by Koste Team · Koste Chartered Quantity Surveyors · AIQS Member · RICS Member · TPB Registered · 1300 669 400 · info@koste.ai