Personal and business tax

When is the Next Self Assessment Tax Return Deadline?

Last updated
March 25, 2025

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When is the Next Self Assessment Tax Return Deadline?

The deadline for filing Self Assessment Tax Return is 31 January following the tax year end. For example, the deadline for the 2024/2025 tax year is 31 January 2026.

Payments for your tax bill are due on 31st January after the end of the relevant tax year. If you're making payments on account, there are two payments due each year on 31st January and 31st July.

The deadline for filing Self Assessment is 31 January following the end of the relevant tax year. For example, the deadline for the 2024/2025 tax year is 31 January 2025.

Payments for your tax bill are due on 31st January after the end of the relevant tax year. If you're making payments on account, there are two payments due each year on 31st January and 31st July.

Further information is available in our guide on company filing and deadlines.

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Self assessment deadlines
Self employed accountants
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Self employed accountantsSelf assessment deadlines
Speak to a self assessment accountant

Free accounting consultation with a self assessment accountant.