Key Tax Deadlines - November and December 2025
12 Nov, 20251 minuteA number of important tax deadlines are coming up in November and December that you may need...
A number of important tax deadlines are coming up in November and December that you may need to be aware of to avoid incurring any penalties.
Have a look at our ‘dates for your diary’ below to see which dates may apply to you:
Date | What's Due |
01/11 | Corporation tax payment for the year to 31/01/2025 (unless quarterly instalments apply) |
19/11 | PAYE & NIC deductions, and CIS return and tax, for the month to 05/11/2025 (due 22/11/2025 if you pay electronically) |
01/12 | Corporation Tax payment for the year to 28/02/2025 (unless quarterly instalments apply) |
19/12 | PAYE & NIC deductions, and CIS return and tax, for the month to 05/12/2025 (due 22/12/2025 if you pay electronically) |
30/12 | Deadline for filing 2024/25 tax return online if you wish to request that HMRC collect outstanding tax via your PAYE tax code |