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
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