Category Archives: Tax Diary

Tax Diary March/April 2025

1 March 2025 – Due date for Corporation Tax due for the year ended 31 May 2024.

2 March 2025 – Self-Assessment tax for 2023-24 paid after this date will incur a 5% surcharge unless liabilities are cleared by 1 April 2025, or an agreement has been reached with HMRC under their time to pay facility by the same date.

19 March 2025 – PAYE and NIC deductions due for month ended 5 March 2025 (If you pay your tax electronically the due date is 22 March 2025).

19 March 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 March 2025.

19 March 2025 – CIS tax deducted for the month ended 5 March 2025 is payable by today.

1 April 2025 – Due date for corporation tax due for the year ended 30 June 2024.

19 April 2025 – PAYE and NIC deductions due for month ended 5 April 2025. (If you pay your tax electronically the due date is 22 April 2025).

19 April 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 April 2025.

19 April 2025 – CIS tax deducted for the month ended 5 April 2025 is payable by today.

30 April 2025 – 2023-24 tax returns filed after this date will be subject to an additional £10 per day late filing penalty for a maximum of 90 days.

Source:HM Revenue & Customs | 03-02-2025

Tax Diary February/March 2025

1 February 2025 – Due date for Corporation Tax payable for the year ended 30 April 2024.

19 February 2025 – PAYE and NIC deductions due for month ended 5 February 2025. (If you pay your tax electronically the due date is 22 February 2025)

19 February 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 February 2025.

19 February 2025 – CIS tax deducted for the month ended 5 February 2025 is payable by today.

1 March 2025 – Due date for Corporation Tax due for the year ended 31 May 2024.

2 March 2025 – Self-Assessment tax for 2023-24 paid after this date will incur a 5% surcharge unless liabilities are cleared by 1 April 2025, or an agreement has been reached with HMRC under their time to pay facility by the same date.

19 March 2025 – PAYE and NIC deductions due for month ended 5 March 2025 (If you pay your tax electronically the due date is 22 March 2025).

19 March 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 March 2025.

19 March 2025 – CIS tax deducted for the month ended 5 March 2025 is payable by today.

Source:HM Revenue & Customs | 01-01-2025

Tax Diary January/February 2025

1 January 2025 – Due date for Corporation Tax due for the year ended 31 March 2024

19 January 2025 – PAYE and NIC deductions due for month ended 5 January 2025. (If you pay your tax electronically the due date is 22 January 2025).

19 January 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 January 2025.

19 January 2025 – CIS tax deducted for the month ended 5 January 2025 is payable by today.

31 January 2025 – Last day to file 2023-24 self-assessment tax returns online.

31 January 2025 – Balance of self-assessment tax owing for 2023-24 due to be settled on or before today unless you have elected to extend this deadline by formal agreement with HMRC. Also due is any first payment on account for 2024-25.

1 February 2025 – Due date for Corporation Tax payable for the year ended 30 April 2024.

19 February 2025 – PAYE and NIC deductions due for month ended 5 February 2025. (If you pay your tax electronically the due date is 22 February 2025)

19 February 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 February 2025.

19 February 2025 – CIS tax deducted for the month ended 5 February 2025 is payable by today.

Source:HM Revenue & Customs | 02-12-2024