Self Assessment deadline incoming – 100 days to go
What was announced
Self Assessment customers have just 100 days to file their tax return for the 2025 to 2026 tax year and pay any tax owed.
Key points, in the publisher's words
- With 100 days to go until the deadline, HM Revenue and Customs ( HMRC ) is urging millions of Self Assessment customers to get ahead of the January rush and not put off completing their tax return for the 2025 to 2026 tax year.
- Around 12 million people are expected to submit a tax return by 31 January 2027 and submitting tax returns early means customers can:
- Customers can complete and file their tax return for the 2025 to 2026 year on GOV.UK. If anyone is unsure about whether they need to complete Self Assessment, they can use the GOV.UK checker tool .
Figures in this announcement
Each line is quoted from the original. Figures are as the publisher stated them on the day.
- “Customers with a total income over £35,000 will then pay the payment back through their Self Assessment tax bill.”
- “For customers who pay their High Income Child Benefit Charge (HICBC) through Self Assessment, around 300,000 will now have their or their partner’s Child Benefit payment details pre‑populated on their online Self Assessment tax return, making it easier for liable customers to complete an accurate tax return.”
- “UK cryptoasset owners need to pay Capital Gains Tax on gains made from cryptoassets above the £3,000 tax-free allowance and declare it in their Self Assessment tax return for the 2025 to 2026 tax year.”
Who and where
UK bodies of power
- HM Revenue & Customs (UK government department) · more news
Where this sits in the 10 levels of power
Topics, as GOV.UK files them: Filing a tax return.
Receipt
- Original: https://www.gov.uk/government/news/self-assessment-deadline-incoming-100-days-to-go
- Published 2026-10-23 09:30:00 UTC
- Read by this site 2026-10-23 19:45:28 UTC from GOV.UK
- Saved copy: receipt 785, with its SHA-256 fingerprint
Contains public sector information licensed under the Open Government Licence v3.0.
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