1 January
Due date for payment of corporation tax for period ended 31 March 2024.
14 January
Due date for income tax for the CT61 quarter to 31 December 2024.
19 January
PAYE, Student loan and CIS deductions are due for the month to 5 January 2025.
PAYE quarterly payments are due for small employers for the pay periods 6 October 2024 to 5 January 2025.
31 January
Deadline for submitting your 2023/24 self assessment return (£100 automatic penalty if your return is late) and the balance of your 2023/24 liability together with the first payment on account for 2024/25 are also due.
Capital gains tax payment for 2023/24.
Balancing payment – 2023/24 income tax and Class 4 NICs.