Never miss a tax deadline with our comprehensive guide to important dates in the UK tax calendar. From Self Assessment filing deadlines to payment due dates, PAYE year-end dates to tax credit renewals, we cover all the key dates you need to know. Understand the consequences of missing deadlines, including penalties and interest charges, and learn how to stay organized throughout the tax year. Our guides cover Self Assessment deadlines (31 January for online, 31 October for paper), payment on account dates, Corporation Tax filing requirements, and VAT return deadlines. We also explain the tax year structure, when new rates take effect, and key dates for claiming allowances and reliefs. Set reminders for the dates that matter to you and avoid costly late penalties.
Our tax deadlines articles are written by tax experts and updated regularly to reflect the latest HMRC guidance and UK tax law changes. Whether you're looking for basic information or detailed guides on specific topics, you'll find comprehensive, easy-to-understand content that helps you navigate the UK tax system with confidence.
All information is based on official HMRC rates for the current tax year 2025/2026. We explain complex tax concepts in plain English, providing practical examples and actionable advice you can use immediately. Our goal is to help UK taxpayers understand their tax obligations, maximize their allowances, and make informed financial decisions.
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The Self Assessment deadline for the 2024-25 tax year is 31 January 2026. Whether you're a first-timer or filing late, here's everything you need to know to avoid penalties and get it done.