Calendar
UK tax deadlines 2026/27
Next big one
The online Self Assessment deadline for 2025/26 is 31st January 2027. That's also when the tax is due.
| Date | Deadline | Who |
|---|---|---|
| 31st October 2026 | Paper Self Assessment return for 2025/26 | Individuals |
| 7th November 2026 | MTD for Income Tax quarterly update (quarter to 5th October) | Sole traders and landlords over £50k |
| 30th December 2026 | File online to have tax under £3,000 collected through your tax code | PAYE taxpayers |
| 31st January 2027 | Online Self Assessment return and balancing payment for 2025/26, first payment on account for 2026/27 | Individuals |
| 7th February 2027 | MTD for Income Tax quarterly update (quarter to 5th January) | Sole traders and landlords over £50k |
| 5th April 2027 | End of the 2026/27 tax year. Last day to use ISA and pension allowances | Everyone |
| 6th April 2027 | MTD for Income Tax extends to qualifying income over £30,000 | Sole traders and landlords |
| 19th April 2027 | PAYE: final Full Payment Submission for 2026/27 should be sent by now | Employers |
| 7th May 2027 | MTD for Income Tax quarterly update (quarter to 5th April) | Sole traders and landlords over £50k |
| 31st May 2027 | Give employees their P60 | Employers |
| 6th July 2027 | P11D and P11D(b) deadline for benefits in kind | Employers |
| 31st July 2027 | Second payment on account for 2026/27 | Individuals |
| 7th August 2027 | MTD for Income Tax quarterly update (quarter to 5th July) | Sole traders and landlords in MTD |
| 5th October 2027 | Register for Self Assessment for 2026/27 if new | Individuals |
Company deadlines depend on your year end
- Annual accounts to Companies House: 9 months after your year end.
- Corporation Tax payment: 9 months and 1 day after your year end, for most small companies.
- Corporation Tax return (CT600): 12 months after your year end.
- VAT returns under MTD: 1 month and 7 days after the end of each VAT quarter.
Never miss one again. Tick "deadline reminders" when you get matched, or let your accountant handle the lot.