How do I amend my Self Assessment tax return?
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Transcript
How do I amend my Self Assessment tax return? You can amend a filed tax return within 12 months of its 31 January deadline, online or on paper. For 2024-25 the last day is 31 January 2027. After that, you write to HMRC instead. 12 months from the 31 January filing deadline for that tax year. For 2024-25 that means by 31 January 2027, and for 2025-26 by 31 January 2028. Not straight away. GOV.UK says you must wait 3 days (72 hours) after filing before you can update an online return. You write to HMRC instead. If you paid too much, you can claim overpayment relief up to 4 years after the end of the tax year concerned, and the claim must include a signed declaration. Read the full answer, with every source, at rightotax.co.uk.
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Read the full answer, with every source
The one-minute version
Transcript
How do I amend my Self Assessment tax return? You can amend a filed tax return within 12 months of its 31 January deadline, online or on paper. For 2024-25 the last day is 31 January 2027. After that, you write to HMRC instead. 12 months from the 31 January filing deadline for that tax year. For 2024-25 that means by 31 January 2027, and for 2025-26 by 31 January 2028. Read the full answer, with every source, at rightotax.co.uk.
Voice and visuals made with automated software, including AI.
This is general information to help you understand the rules. It isn't tailored to your circumstances, so check your own position before acting on it.
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