2026 Self Assessment Facts and Figures
4th February 2026
The results are in. HMRC have released their 2026 Self Assessment facts and figures.
The 2026 Self Assessment facts and figures are as follows:
- More than 12 million Self Assessment Tax Returns were issued to tax payers
- 11.48 million tax returns were received by 31 January 2026
- 475,772 waited until the final day Saturday 31st January 2026 to file!
- 27,456 people submitted theirs in the final hour (23:00 to 23:59)
- 97.25% of returns were filed online (97.36% in 2025)
Those who have missed the 31 January 2026 deadline may face a penalty.
The penalties for filing a tax return late are:
- an initial £100 fixed penalty, which applies even if there is no tax to pay, or if the tax due is paid on time
- after 3 months, additional daily penalties of £10 per day, up to a maximum of £900
- after 6 months, a further penalty of 5% of the tax due or £300, whichever is greater
- after 12 months, another 5% or £300 charge, whichever is greater
Get In Touch
If you require assistance in bringing your tax affairs up to date, please contact your local Whitings LLP office, and a member of our team will be happy to help you.
