Guide
UK tax deadline calendar 2026/27
Every key date for directors, employers, landlords and the self-employed for the 2026/27 tax year, from 6 April 2026 to 5 April 2027, and the months after it. Bookmark it.
In short
The dates most people need for 2026/27 are: Making Tax Digital quarterly updates on 7 August, 7 November, 7 February and 7 May; self assessment for 2025/26 by 31 January 2027; P60s by 31 May 2027; P11Ds by 6 July 2027; and the second payment on account on 31 July 2027.
Dated deadlines
| Date | Deadline | Who it affects |
|---|---|---|
| 6 April 2026 | Tax year 2026/27 begins; Making Tax Digital for Income Tax starts for qualifying income over £50,000 | Everyone; sole traders and landlords |
| 31 July 2026 | Second payment on account for 2025/26 | Self assessment taxpayers |
| 7 August 2026 | First MTD quarterly update (6 April to 5 July) | Sole traders and landlords in MTD |
| 5 October 2026 | Register for self assessment if you had new untaxed income in 2025/26 | New self-employed, landlords, directors |
| 31 October 2026 | Paper self assessment returns for 2025/26 | Paper filers |
| 7 November 2026 | MTD quarterly update (6 July to 5 October) | Sole traders and landlords in MTD |
| November 2026 | Companies House identity verification transition ends for existing directors | Company directors and PSCs |
| 30 December 2026 | File online to have an underpayment under £3,000 collected through your tax code | Employees and pensioners with PAYE income |
| 31 January 2027 | Online return for 2025/26; balancing payment for 2025/26; first payment on account for 2026/27 | Self assessment taxpayers |
| 7 February 2027 | MTD quarterly update (6 October to 5 January) | Sole traders and landlords in MTD |
| 5 April 2027 | Tax year 2026/27 ends | Everyone |
| 6 April 2027 | MTD for Income Tax threshold falls to £30,000 | Sole traders and landlords |
| 19 April 2027 | Final Employer Payment Summary for 2026/27 | Employers |
| 7 May 2027 | MTD quarterly update (6 January to 5 April) | Sole traders and landlords in MTD |
| 31 May 2027 | P60s to employees | Employers |
| 6 July 2027 | P11D and P11D(b) for benefits in kind | Employers providing benefits |
| 22 July 2027 | Class 1A National Insurance on benefits (paid electronically) | Employers providing benefits |
| 31 July 2027 | Second payment on account for 2026/27 | Self assessment taxpayers |
| 31 January 2028 | Final declaration and return for 2026/27, the first year of MTD for Income Tax | Self assessment taxpayers |
Deadlines that repeat
| Obligation | Deadline |
|---|---|
| PAYE and National Insurance payment | 22nd of the following tax month if paid electronically (19th by post) |
| Full Payment Submission (RTI) | On or before each payday |
| VAT return and payment | 1 month and 7 days after the end of the VAT period |
| Company accounts | 9 months after the year end (21 months after incorporation for first accounts) |
| Corporation tax payment | 9 months and 1 day after the year end |
| Corporation tax return (CT600) | 12 months after the year end |
| Confirmation statement | Within 14 days after the review date |
| Auto-enrolment re-enrolment | Every three years from your staging or duties start date |
For company-specific dates and penalties, see limited company deadlines. If a deadline has already passed, file as soon as possible. Most penalties grow with time.
Common questions
Questions we are often asked
31 January 2027 for online returns and for paying the balance of tax owed for 2025/26. The first payment on account for 2026/27 is due the same day.
7 August 2026, 7 November 2026, 7 February 2027 and 7 May 2027, for the standard quarters ending 5 July, 5 October, 5 January and 5 April.
By 31 May following the end of the tax year, so by 31 May 2027 for 2026/27.
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