Top 10 most forgotten tax deductions

Each year, thousands of Australians miss out on claiming deductions they’re legally entitled to—leaving money on the table. Whether it's due to poor record-keeping or simple oversight, these often-overlooked expenses can make a big difference to your refund.

Here’s our top 10 list of deductions you may be forgetting:

1. Union Fees

If you’re a union member and pay annual fees, you can claim them under D5 – Other work-related expenses on your tax return.

2. Donations

Genuine donations over $2 to registered charities are tax-deductible—but only if you have a receipt. Don’t assume all causes qualify—check if the organisation is registered as a Deductible Gift Recipient (DGR).

3. Rental Property Expenses

Many landlords underclaim deductions simply because they aren’t aware of them. Commonly forgotten expenses include:

• Bank charges

• Gardening and lawn maintenance

• Pest control

• Security patrols

• Bookkeeping and secretarial services

• Travel for rent collection or inspections

Make sure you track and claim these accurately.

4. Income Protection Insurance

Premiums for income protection insurance are deductible—but not for life insurance, trauma or critical illness cover. Check your policy wording carefully.

5. Home Office Expenses

If part of your home is used primarily for work, you may claim:

• Heating and cooling

• Lighting

• Depreciation on equipment

• Work-related subscriptions or libraries

Make sure you’re using a legitimate method for calculating your home office expenses.

6. Medical Expenses

Although this tax offset is being phased out, you may still be eligible to claim if your expenses exceeded $2,120 and met specific criteria. Eligible expenses include:

• Dental and optical services

• IVF treatments

• Medical aids (e.g. hearing aids, artificial limbs)

• Therapy under a doctor’s direction

• Assistance dogs for disabilities

Note: thresholds apply based on income level.

7. Self-Education Expenses

If your study is directly related to your current job, you can claim:

• Textbooks and trade journals

• Stationery and printing

• Computer usage

• Student union fees

• Travel and accommodation (when required to be away overnight)

Be sure to link your course to your current role—not future ambitions.

8. Sun Protection Items

Outdoor workers can claim sunglasses, sunscreen and hats as tax deductions. If the sunglasses cost more than $300, they must be depreciated over their effective life.

9. Laundry Costs

Uniforms, protective or occupation-specific clothing washed at home can be claimed at:

• $1 per load (if only work-related clothing)

• 50c per load (if mixed with other clothing)

No receipts required under this method, but ensure claims are reasonable.

10. Made a Mistake? Amend It

If you forgot a deduction or included incorrect information, don’t stress, you can amend your return. It’s better to fix it than risk an ATO audit later.

Need help identifying deductions you’re entitled to?

At Dolman Bateman, we go beyond basic tax returns to help you maximise your refund. Get in touch with our expert team today.

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Disclaimer:

The information provided in this article is general in nature and does not constitute personal financial, legal or tax advice. While every effort has been made to ensure the accuracy of this content at the time of publication, tax laws and regulations may change, and individual circumstances vary. Dolman Bateman accepts no responsibility or liability for any loss or damage incurred as a result of acting on or relying upon any of the information contained herein. You should seek professional advice tailored to your specific situation before making any financial or tax decision.