Rental Property Negative Gearing Reforms: What Australian Investors Must Know in 2026

Australia's rental property tax landscape is undergoing its most significant transformation in decades. With the Federal Government's 2026–27 Budget announcing sweeping changes to negative gearing and capital gains tax (CGT) concessions, property investors and their tax agents face a dual-system environment that demands careful planning, precise record-keeping, and expert guidance.

Understanding the 2026 Negative Gearing and CGT Reforms

From 1 July 2027, the rules governing how rental losses can be used will change materially for properties purchased after 7:30pm AEST on 12 May 2026. Under the existing system, investors can offset rental losses against any other taxable income — including salary and wages — a strategy known as negative gearing.

Under the new framework, investors who purchase established residential properties after the announcement date will only be able to offset rental losses against income derived from other residential rental properties, including capital gains from those properties. Excess losses can be carried forward to future income years.

Critically, properties already held — or under contract — as of 7:30pm AEST on 12 May 2026 are grandfathered under the existing rules until they are sold. This means the timing of any property transaction has become a pivotal tax planning consideration.

New Build Exemption

Investors who purchase qualifying new builds — properties that genuinely add to Australia's housing supply — retain access to negative gearing under the existing rules. Eligible new builds include:

• Dwellings constructed on previously vacant land
• Apartments purchased off-the-plan
• Duplexes resulting from a knock-down rebuild that increases the total number of dwellings on the site
• Newly built properties that have been occupied for less than 12 months before their first sale

Renovations, extensions, granny flats, and knock-down rebuilds that do not increase the total number of dwellings on a site do not qualify as new builds under the legislation.

Capital Gains Tax Changes

Also effective from 1 July 2027, the 50% CGT discount for individuals, trusts, and partnerships will be replaced by a system combining cost base indexation (using the Consumer Price Index) and a 30% minimum tax rate on capital gains.

For assets held prior to 1 July 2027, the 50% discount will apply to gains accruing up to that date, while the new indexation and minimum tax rules will apply to gains accruing thereafter. Investors in eligible new builds retain the option to choose between the 50% CGT discount or the new arrangements — whichever is more favourable.

Key Rental Property Deductions for 2025–26

While the 2027 reforms loom large, the 2025–26 income year continues under the existing rules. A registered tax agent can help investors maximise legitimate deductions across several categories.

Immediately Deductible Expenses

• Loan interest — Only the interest component of loans used to purchase or maintain the property is deductible. Mixed-purpose loans require careful apportionment.
• Property management fees — Fees paid to property managers, letting agents, and tax agents for preparing rental schedules are fully deductible.
• Council rates, land tax, and water rates — Statutory costs directly related to the rental property are deductible (excluding tenant-usage water charges).
• Insurance premiums — Building, contents, and landlord insurance are all deductible.
• Repairs and maintenance — Work that restores an asset to its original condition (such as fixing a leaking tap or repairing storm damage) is immediately deductible.
• Body corporate fees, gardening, cleaning, and pest control — Routine operational costs are deductible in the year incurred.

Depreciation Deductions

Depreciation is one of the most valuable — and most misunderstood — deductions available to rental property investors. There are two distinct categories:

• Division 43 (Capital Works) — Covers the structural components of the building, such as walls, roofs, and fixed fixtures. Eligible properties (construction commenced after 15 September 1987) can claim 2.5% of the original construction cost per year over 40 years.
• Division 40 (Plant and Equipment) — Covers removable assets such as carpets, blinds, dishwashers, and air conditioners. For residential properties acquired after 9 May 2017, depreciation on second-hand plant and equipment already in the property at purchase is restricted. New assets installed by the investor after purchase remain fully depreciable.

A qualified quantity surveyor can prepare a depreciation schedule that identifies all eligible deductions — often uncovering thousands of dollars in claims that investors would otherwise miss.

Common Mistakes and Red Flags

The ATO scrutinises rental property claims closely each year. A registered tax agent can help investors avoid the most common errors:

• Claiming capital improvements as repairs — Installing a new kitchen or adding a deck is a capital improvement, not a repair. Misclassifying these costs is a frequent audit trigger.
• Apportioning mixed-use loans incorrectly — If funds have been redrawn from an investment loan for private purposes, only the investment portion of the interest is deductible. Incorrect apportionment is a significant compliance risk.
• Ignoring the Division 40 restriction — Claiming depreciation on second-hand plant and equipment in properties purchased after 9 May 2017 is a common error that can result in amended assessments and penalties.
• Failing to declare short-term rental income — Income from platforms such as Airbnb and Stayz must be declared in full. The ATO receives data from these platforms directly.
• Inadequate record-keeping — The ATO requires records to be kept for at least five years from the date of lodging the relevant tax return. Missing receipts or invoices can result in deductions being disallowed.
• Misunderstanding the new build definition — From 2027, incorrectly classifying a property as a new build to access negative gearing concessions will attract serious ATO scrutiny.

Australian Regulatory Context

Rental property taxation in Australia is governed by the Income Tax Assessment Act 1997 and administered by the Australian Taxation Office (ATO). The ATO publishes detailed guidance each year in its Rental Properties guide (most recently updated for 2026), which sets out the rules for deductions, depreciation, and record-keeping.

Tax agents who prepare rental schedules and tax returns on behalf of clients must be registered with the Tax Practitioners Board (TPB). Registration requires meeting minimum education and experience standards, holding professional indemnity insurance, and complying with the Tax Agent Services Act 2009 (TASA) and the Code of Professional Conduct.

The 2026–27 Budget reforms were announced by the Federal Government on 12 May 2026 and are subject to the passage of enabling legislation. Investors should monitor ATO guidance closely as implementation details — including the ATO's cost base indexation tools — are released ahead of the 1 July 2027 commencement date.

Widely held trusts (such as most managed investment trusts) and superannuation funds, including self-managed superannuation funds (SMSFs), are excluded from the negative gearing changes. SMSF trustees with residential property investments should confirm their position with a registered tax agent.

Questions to Ask Your Tax Agent

Before engaging a registered tax agent to manage your rental property tax affairs, consider asking the following questions to assess their expertise and suitability:

1. Are you registered with the Tax Practitioners Board, and can I verify your registration number?
2. How many rental property clients do you currently manage, and are you familiar with the 2026 negative gearing and CGT reforms?
3. Can you review my loan structure to ensure interest is being correctly apportioned?
4. Do you work with quantity surveyors to maximise depreciation claims?
5. How do you handle ATO audit correspondence on behalf of clients?
6. What records do you recommend I keep, and in what format?
7. How will the 2027 reforms affect my specific portfolio, and what planning steps should I take now?

Rental Property Tax Checklist for 2025–26

Use this checklist to ensure your rental property tax return is complete and compliant:

• Declare all rental income, including short-term rental platform income
• Gather all expense receipts: rates, insurance, management fees, repairs
• Obtain a current depreciation schedule from a quantity surveyor if you do not already have one
• Review your loan statements to confirm the interest apportionment is correct
• Identify any capital improvements made during the year and confirm they are treated as capital costs, not repairs
• Confirm whether your property qualifies as a new build under the 2026 Budget definitions if purchased after 12 May 2026
• Retain all records for at least five years from the date of lodgement

How MyMoney® Can Help

Navigating rental property taxation — especially in a year of significant legislative change — requires a registered tax agent with genuine expertise in investment property. The wrong advice, or no advice at all, can cost investors thousands in missed deductions or expose them to ATO penalties.

MyMoney® connects Australian property investors with qualified, TPB-registered tax agents who specialise in rental property taxation, negative gearing strategy, and CGT planning. Whether you own one investment property or a diversified portfolio, the right tax agent can make a material difference to your after-tax returns.

Post a Brief on MyMoney® to receive tailored proposals from experienced tax agents, or Browse Tax Agents to compare professionals in your area. All tax agents listed on MyMoney® are verified against the Tax Practitioners Board register.