Investing in real estate as a source of future wealth can be quite appealing, but the purchase cost and potential rental income are not everything. Australian property investors need to consider all aspects related to rental income, loan interest, deductions, depreciation, and capital gains tax that can influence your net income.

There are many tax factors that vary according to the use, ownership, and even selling of the property that needs to be taken into account in advance.

How Is an Investment Property Taxed in Australia?

When you rent out a property, the rental income you receive generally needs to be included in your tax return. You may then be able to claim eligible expenses associated with earning that income.

Common rental property expenses can include:

• Loan interest
• Council rates
• Water charges
• Property management fees
• Insurance
• Repairs and maintenance
• Advertising for tenants
• Certain legal expenses
• Body corporate fees
• Eligible depreciation and capital works deductions

The ATO’s 2026 guidance confirms that rental property expenses must be correctly identified and apportioned where necessary.

The important distinction is that not every property expense is immediately deductible. Some costs are treated as capital expenses and may need to be claimed over time.

Understand the Difference Between Repairs and Improvements

This is an area where new investors often make mistakes.

A repair generally deals with damage or deterioration that occurs through normal use. An improvement, on the other hand, generally adds value or changes the property beyond its original condition.

For example, repairing a damaged section of a rental property’s roof may be treated differently from replacing the entire roof with a substantially improved structure.

Capital works deductions can apply to certain construction expenditure. Depending on the property and expenditure, deductions may generally be spread over 40 or 25 years.

Keeping invoices, contracts and receipts from the beginning makes it much easier to determine how an expense should be treated.

Don’t Overlook Depreciation

Depreciation can be an important part of an investment property tax strategy.

Certain depreciating assets within a rental property can decline in value over time. Depending on the circumstances, items such as appliances, carpets and other eligible assets may qualify for deductions based on their decline in value.

The rules vary depending on the asset, its cost and when it was acquired. The ATO’s 2026 guidance also provides specific information about depreciating assets and decline-in-value calculations.

A qualified property investment accountant can help investors identify which expenses may be deductible and which should instead be treated as capital costs.

What About Mortgage Interest?

Interest is often one of the largest ongoing costs associated with an investment property.

Where a loan is used to purchase a rental property, interest expenses may generally be deductible to the extent the borrowing relates to producing rental income.

However, investors need to be careful when loans are used for multiple purposes. If borrowed funds are partly used for private expenses, the interest may need to be apportioned.

This is why keeping investment and personal finances properly organised is important from the beginning.

Negative Gearing and Positive Gearing

You may have heard the terms negative gearing and positive gearing when researching property investment.

A property is generally negatively geared when its deductible expenses are greater than its rental income. The resulting rental property loss may be relevant to your overall tax position, subject to the applicable rules.

Positive gearing generally occurs when rental income exceeds deductible expenses.

Neither approach is automatically better. A property with strong tax deductions is not necessarily a better investment if the underlying property has poor rental prospects, high costs or limited growth potential.

Tax should form part of your investment decision, rather than being the only reason to purchase a property.

Capital Gains Tax When You Sell

Buying an investment property also means thinking about what happens when you eventually sell it.

If the property has increased in value, you may make a capital gain. Capital gains tax is not a separate tax; instead, a net capital gain is generally included in your assessable income and taxed at your applicable rate.

Eligible individuals and trusts may generally receive a 50% CGT discount when an asset has been owned for at least 12 months, subject to the relevant requirements.

The calculation can become complicated when the property has been rented, renovated, used privately or previously occupied as your main residence.

Don’t Assume Your Main Residence Exemption Applies

A common misconception is that every property owned by an individual automatically receives the main residence exemption.

Generally, your main residence may receive CGT treatment different from an investment property. If you rent out your former home, special rules can apply, including circumstances involving the temporary absence or “six-year” rule.

If a property has changed between private and income-producing use, keep detailed records of the dates and how it was used.

Consider Ownership Structure Before Buying

Another decision that deserves attention is who should own the property.

Depending on your circumstances, property may be owned personally, jointly, through a trust or through another structure. Each option can have different tax, financing, asset protection and estate-planning implications.

Changing ownership after purchasing can also trigger tax consequences, including potential CGT and transfer duty implications. Therefore, it is worth obtaining appropriate advice before signing the purchase contract rather than trying to restructure later.

Keep Good Records From Day One

Property investors should maintain records throughout the ownership period, not just at tax time.

Keep:

• Purchase and settlement documents
• Loan statements
• Property management statements
• Rental income records
• Repair and maintenance invoices
• Insurance documents
• Council and water rates
• Depreciation information
• Capital improvement records
• Advertising expenses
• Legal and professional fees
• Sale-related documents

These records can be particularly valuable when calculating your tax position years later.

Think Beyond the First Tax Return

The tax implications of an investment property don’t end when you lodge your first return. Your circumstances can change when interest rates move, rental income changes, you refinance, renovate, change the property’s use or decide to sell.

For Perth investors, speaking with an accountant in Perth before purchasing can help you understand the potential tax consequences alongside the broader financial considerations.

Final Thoughts

Buying an investment property in 2026 should involve more than comparing purchase prices and rental yields. Understanding rental property tax deductions, mortgage interest, depreciation, capital works, negative gearing and CGT can help you make a more informed decision.

The most useful approach is to consider tax implications before buying rather than discovering them after settlement. Keep detailed records, understand how the property will be used and seek professional advice where your circumstances are complex.

Tax rules are subject to change, so investors should always check the latest ATO guidance when making property and tax decisions.

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