19 March 2025

• CIS return

  Payments made to subcontractors in the month to 5 March 2025

• PAYE, NIC and CIS payment (postal)

  Month-end 5 March 2025

22 March 2025

• PAYE, NIC and CIS payment (electronic)

  Month-end 5 March 2025

31 March 2025

• Capital Allowances

  100% First Year Allowance for zero-emissions goods vehicles due to end on 31 March 2025 for Corporation Tax purposes

• Stamp Duty Land Tax

  Cuts introduced on 23 September 2022 reversed

• Annual Tax on Enveloped Dwellings

  Amend ATED returns for year to 31 March 2024

• Corporation Tax Returns

  31 March 2024 year ends