Written Question·Treasury·UIN 103665
Self-assessment
Tabled: 6 January 2026
Answered: 14 January 2026
Question
James McMurdock
Independent — South Basildon and East Thurrock
To ask the Chancellor of the Exchequer, how many people have missed the 31 January self assessment filing deadline in each of the last three tax years.
Answer
Dan TomlinsonAround 12 million people file a Self Assessment return each year. HMRC aims to help customers get their tax right. Last year, over 90% of customers filed on time. Filing deadlines are essential for the efficient operation of the tax system. The number of ...
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