Tax year 2027/28 UK: key dates and deadlines
The 2027 to 2028 UK tax year runs from Tuesday 6 April 2027 to Wednesday 5 April 2028. Here are the Self Assessment, Making Tax Digital and payroll dates that matter in 2027 and early 2028, with the day of the week for each.
Dates are based on HMRC's published rules as of October 2026. Always check GOV.UK or your accountant before relying on a deadline.
2027 tax deadlines at a glance
| Date | What happens | Who it affects |
|---|---|---|
| Sunday 31 January 2027 | Deadline to file your 2025 to 2026 Self Assessment return online, and to pay the balance for 2025 to 2026 plus your first payment on account for 2026 to 2027 | Self Assessment |
| Monday 5 April 2027 | Last day of the 2026 to 2027 tax year | Everyone |
| Tuesday 6 April 2027 | First day of the 2027 to 2028 tax year. Making Tax Digital for Income Tax starts for sole traders and landlords whose qualifying income was over £30,000 in 2025 to 2026 | Everyone / MTD |
| Monday 31 May 2027 | Employers must give staff their P60 for 2026 to 2027 | Employees |
| Tuesday 6 July 2027 | Deadline for employers to report 2026 to 2027 expenses and benefits (P11D) | Employers |
| Saturday 31 July 2027 | Second payment on account for 2026 to 2027 | Self Assessment |
| Saturday 7 August 2027 | First quarterly update for 6 April to 5 July 2027 | MTD for Income Tax |
| Tuesday 5 October 2027 | Register for Self Assessment if you need to send a return for 2026 to 2027 for the first time | Self Assessment |
| Sunday 31 October 2027 | Paper Self Assessment return for 2026 to 2027 must reach HMRC | Self Assessment |
| Sunday 7 November 2027 | Quarterly update for 6 July to 5 October 2027 | MTD for Income Tax |
| Thursday 30 December 2027 | File your 2026 to 2027 return online by this date if you want any tax you owe collected through your tax code | Self Assessment |
| Monday 31 January 2028 | Deadline to file your 2026 to 2027 return online, and to pay the balance for 2026 to 2027 plus your first payment on account for 2027 to 2028 | Self Assessment |
| Monday 7 February 2028 | Quarterly update for 6 October 2027 to 5 January 2028 | MTD for Income Tax |
| Wednesday 5 April 2028 | Last day of the 2027 to 2028 tax year | Everyone |
| Thursday 6 April 2028 | Making Tax Digital for Income Tax extends to qualifying income over £20,000 (based on 2026 to 2027) | MTD for Income Tax |
| Sunday 7 May 2028 | Quarterly update for 6 January to 5 April 2028 | MTD for Income Tax |
Self Assessment deadlines don't move when they land on a weekend. In this period that applies to Sunday 31 January 2027, Saturday 31 July 2027 and Sunday 31 October 2027, so plan to file and pay before then.
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Tax months in 2027/28
Payroll and PAYE work in tax months, which run from the 6th of one month to the 5th of the next.
| Tax month | Starts | Ends |
|---|---|---|
| Month 1 | Tue 6 Apr 2027 | Wed 5 May 2027 |
| Month 2 | Thu 6 May 2027 | Sat 5 Jun 2027 |
| Month 3 | Sun 6 Jun 2027 | Mon 5 Jul 2027 |
| Month 4 | Tue 6 Jul 2027 | Thu 5 Aug 2027 |
| Month 5 | Fri 6 Aug 2027 | Sun 5 Sep 2027 |
| Month 6 | Mon 6 Sep 2027 | Tue 5 Oct 2027 |
| Month 7 | Wed 6 Oct 2027 | Fri 5 Nov 2027 |
| Month 8 | Sat 6 Nov 2027 | Sun 5 Dec 2027 |
| Month 9 | Mon 6 Dec 2027 | Wed 5 Jan 2028 |
| Month 10 | Thu 6 Jan 2028 | Sat 5 Feb 2028 |
| Month 11 | Sun 6 Feb 2028 | Sun 5 Mar 2028 |
| Month 12 | Mon 6 Mar 2028 | Wed 5 Apr 2028 |
Things to know
- Making Tax Digital for Income Tax means keeping digital records and sending quarterly updates through compatible software. From 6 April 2027 it covers sole traders and landlords with qualifying income over £30,000; you still send a Self Assessment return for the years before you start.
- Payments on account are each normally half of your previous year's tax bill, due on 31 January and 31 July.
- Monday 31 May 2027, the P60 deadline, is also the Spring bank holiday.
Payday calendar 2027 · Budget planner 2027 · 2027 bank holidays
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