HMRC dates for the self-employed, with a free calendar file
The Self Assessment and Making Tax Digital dates that matter between now and July 2027, each checked against GOV.UK, plus one file that puts them all in your phone or computer calendar with reminders.
Add the dates to your calendar
Download the file and open it in Apple Calendar, Google Calendar, Outlook or any calendar app. It adds 9 all-day events, each with a reminder two weeks and two days before. No account, no email address and nothing for us to store.
Download the calendar (.ics)9 events, 1 file
If your calendar app can subscribe to a web calendar, use this address instead and it can pick up changes when we update the file:
https://handysums.co.uk/hmrc-dates.ics
Importing the file adds a one-off copy. It will not change if we correct a date later, so check the table below or GOV.UK before relying on a date.
The dates, November 2026 to July 2027
| Date | What is due | Who it is for | Source |
|---|---|---|---|
| MTD for Income Tax: second quarterly update due Covers 6 April to 5 October (standard update periods) or 1 April to 30 September (calendar update periods). GOV.UK says there are no penalties for missing a quarterly update deadline in 2026/27, but you still need to send them before you can submit your tax return. 7 November 2026 is a Saturday, so aim for Friday 6 November. | People in Making Tax Digital for Income Tax since April 2026 | Use Making Tax Digital for Income Tax: send quarterly updates · Penalties for Making Tax Digital for Income Tax | |
| Self Assessment: last day to file online to pay through your tax code File your 2025/26 return online by 11:59pm on 30 December 2026 if you want a bill under £3,000 collected through your PAYE tax code. You need PAYE income for HMRC to collect it from. Otherwise you pay by 31 January. | Anyone who owes under £3,000 and also has PAYE income (a job or pension) | Self Assessment tax returns: deadlines · Pay your Self Assessment bill through your tax code | |
| Self Assessment 2025/26: file online and pay by 11:59pm Online return for 2025/26, the tax you owe, and the first payment on account for 2026/27 if you have one. 31 January 2027 is a Sunday, and some payment methods take longer at weekends, so pay by the Friday if you can. A late return costs a £100 penalty. | Everyone who files a Self Assessment return | Self Assessment tax returns: deadlines · Self Assessment: penalties · Understanding your Self Assessment bill: payments on account | |
| Last day (usually) to correct your 2024/25 return online GOV.UK says you can correct a return within 12 months of the Self Assessment deadline and gives 31 January 2027 as the example date for 2024/25. After that you need to write to HMRC. | Anyone who needs to change a 2024/25 return, for example to add CIS deductions | Self Assessment: if you need to change your return | |
| MTD for Income Tax: third quarterly update due Covers 6 April to 5 January (standard) or 1 April to 31 December (calendar). 7 February 2027 is a Sunday. GOV.UK says there are no penalties for missing a quarterly update deadline in 2026/27. | People in Making Tax Digital for Income Tax since April 2026 | Use Making Tax Digital for Income Tax: send quarterly updates · Penalties for Making Tax Digital for Income Tax | |
| Tax year 2026/27 ends. Usual four-year limit for 2022/23 CIS claims The tax year ends on 5 April. HMRC manuals give a general four-year limit for claims, which makes 5 April 2027 the usual last date for 2022/23. GOV.UK’s CIS pages do not state this limit, so treat it as the usual rule rather than a guarantee, and check with HMRC if you are close to it. | CIS subcontractors who never claimed back CIS for 2022/23 | HMRC Self Assessment Legal Framework manual SALF613: time limits for claims · CIS: pay tax and claim back deductions | |
| MTD for Income Tax starts for qualifying income over £30,000 GOV.UK says that if your qualifying income for 2025/26 was over £30,000 you need to use Making Tax Digital for Income Tax from 6 April 2027. | Sole traders and landlords with qualifying income over £30,000 in 2025/26 | Check if you need to use Making Tax Digital for Income Tax | |
| MTD for Income Tax: fourth quarterly update due Covers 6 April 2026 to 5 April 2027 (standard) or 1 April 2026 to 31 March 2027 (calendar). GOV.UK says there are no penalties for missing a quarterly update deadline in 2026/27. | People in Making Tax Digital for Income Tax since April 2026 | Use Making Tax Digital for Income Tax: send quarterly updates · Penalties for Making Tax Digital for Income Tax | |
| Second payment on account for 2026/27 due The second payment on account is due by 31 July. If your income has dropped you may be able to reduce your payments on account. | Anyone who makes payments on account | Self Assessment tax returns: deadlines · Understanding your Self Assessment bill: payments on account |
The MTD quarterly update dates only apply if you are already in Making Tax Digital for Income Tax. Our MTD checker shows whether and when it applies to you, and the 7 November update guide covers the next deadline. The Self Assessment deadlines guide has the penalties, and CIS subcontractors can use the 31 January checklist.
What to know before you rely on it
- Weekends. 7 November 2026 and 7 February 2027 are weekend days, and so is 31 January 2027. We list the dates GOV.UK gives. Do not count on extra time.
- The 2022/23 CIS date. This is the one date we could not find on GOV.UK. It is the usual four-year limit from HMRC’s manuals. Please confirm it with HMRC if it matters to you.
- Later dates. We have left out dates after July 2027 for now, and will add them when we have re-checked them against GOV.UK.
- Not tax advice. This is a reminder list. Your own deadlines depend on your circumstances, so check your HMRC online account or ask an accountant.
Sources
Checked against these pages on 1 November 2026:
- Use Making Tax Digital for Income Tax: send quarterly updates (GOV.UK)
- Penalties for Making Tax Digital for Income Tax (GOV.UK)
- Self Assessment tax returns: deadlines (GOV.UK)
- Pay your Self Assessment bill through your tax code (GOV.UK)
- Self Assessment: penalties (GOV.UK)
- Understanding your Self Assessment bill: payments on account (GOV.UK)
- Self Assessment: if you need to change your return (GOV.UK)
- HMRC Self Assessment Legal Framework manual SALF613: time limits for claims
- CIS: pay tax and claim back deductions (GOV.UK)
- Check if you need to use Making Tax Digital for Income Tax (GOV.UK)