How far back can I claim a tax refund?

Four years. In 2026 you can claim for 2022, 2023, 2024 and 2025. Claims for 2022 must be made by 31 December 2026; after that, Revenue can't repay them.

What are the most commonly missed reliefs?

Health expenses (20% of medical and non-routine dental costs), the Rent Tax Credit, flat rate expenses for your job, remote working relief, and tuition fees. Each is claimed on the Income Tax Return for the year.

In myAccount, choose 'Review your tax for the previous 4 years'. Ask for a Statement of Liability (Revenue's summary of your tax) for the year. Then choose 'Complete your Income Tax Return' and add the credits and reliefs. Revenue usually replies in about five working days.

Refunds

Tax refund check

Check one year, 2022 to 2026: the income tax you should have paid, with the reliefs PAYE workers miss, against what was deducted.

Self-assessment tool. The figures come from your own answers. It isn't advice, and you're responsible for what you file or claim. heypenny.ie is a trading name of Kinch Press. Read the disclaimer.

Common questions

How far back can I claim a tax refund?: Four years. In 2026 you can claim for 2022, 2023, 2024 and 2025. Claims for 2022 must be made by 31 December 2026; after that, Revenue can't repay them.
What are the most commonly missed reliefs?: Health expenses (20% of medical and non-routine dental costs), the Rent Tax Credit, flat rate expenses for your job, remote working relief, and tuition fees. Each is claimed on the Income Tax Return for the year.
How do I claim?: In myAccount, choose 'Review your tax for the previous 4 years'. Ask for a Statement of Liability (Revenue's summary of your tax) for the year. Then choose 'Complete your Income Tax Return' and add the credits and reliefs. Revenue usually replies in about five working days.

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