2026 Autumn Budget Summary
29 Oct, 2026
Key Tax Deadlines - November & December 2026
29 Oct, 20261 minuteA number of important tax deadlines fall due in November and December. Make sure you’r...
A number of important tax deadlines fall due in November and December. Make sure you’re aware of any deadlines that apply to you to help avoid penalties and interest charges.
See our key dates for your diary below and check which deadlines may apply to you:
Date | Deadline |
1 November | Corporation Tax for the year to 31/01/2026 (unless quarterly instalments apply). |
7 November | Deadline for 2nd Quarterly Update required under MTD for Income Tax. |
19 November | PAYE & NIC deductions and CIS return and tax, for the month to 05/11/2026 (due 22/11/2026 if you pay electronically). |
1 December | Corporation Tax for the year to 28/02/2026 (unless quarterly instalments apply). |
19 December | PAYE & NIC deductions and CIS return and tax, for the month to 05/12/2026 (due 22/12/2026 if you pay electronically). |
30 December | Deadline for filing 2025/2026 tax return online if you wish to request that HMRC collect outstanding tax via your PAYE tax code. |
Related Posts
2026 Autumn Budget - Headline Announcements
28 Oct, 2026
Key Tax Deadlines - October & November 2026
28 Sept, 2026
