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Over 1 Million Taxpayers Face £100M Penalties for Late Returns

2/4/2026

24 4 Full Breakdown

Summary

Taxpayers Miss Deadline

Over one million taxpayers missed the January 31 self-assessment deadline, generating £100 million in penalties for HM Revenue and Customs (HMRC).
Taxpayers filed 11.5 million returns on time, and 475,722 filed on the final day.
HMRC extended helpline hours to assist late filers, handling over 15,000 calls and webchats.
Penalties start with £100, then daily charges after three months and further penalties after six and twelve months.

Summary

Myrtle Thanks Taxpayers

Myrtle Lloyd, chief customer officer for Her Majesty's Revenue and Customs (HMRC), thanked millions for filing their self-assessment tax returns by the January 31 deadline.
She urged those who missed the deadline to file promptly.
Those who file promptly avoid penalties and late payment interest.
Self-assessment tax returns are subject to a deadline.

History

Historical Context

The UK's self-assessment tax system, introduced in 1996, empowered taxpayers to calculate their own tax liabilities. Managed by HM Revenue and Customs (HMRC), it processes over 11.5 million returns annually. Recent penalties totaling £100 million for late filings underscore ongoing compliance issues, emphasizing the need for timely submissions to avoid escalating penalties and interest charges.

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Taxpayers Miss Deadline

Over one million taxpayers missed the January 31 self-assessment deadline, generating £100 million in penalties for HM Revenue and Customs (HMRC).
Taxpayers filed 11.5 million returns on time, and 475,722 filed on the final day.
HMRC extended helpline hours to assist late filers, handling over 15,000 calls and webchats.
Penalties start with £100, then daily charges after three months and further penalties after six and twelve months.

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