| Date | What’s Due |
| 1 March | Corporation Tax for year to 30/05/2024, unless quarterly instalments apply. |
| 19 March | PAYE & NIC deductions, and CIS return and tax, for month to 05/03/2025 (due 22/03 if you pay electronically). |
| 26 March | Spring Forecast: the Chancellor of the Exchequer, Rachel Reeves, will present her Spring forecast. |
| 1 April | Corporation Tax for year to 30/06/2024, unless quarterly instalments apply. |
| 5 April | End of the 2024/25 tax year – many tax planning actions need to have been taken by this date. |
| 6 April | Start of the 2025/26 tax year. |
| 19 April | PAYE & NIC deductions, and CIS return and tax, for month to 05/04/2025 (due 22/04 if you pay electronically). |
| 30 April | Annual Tax on Enveloped Dwellings (ATED) returns and payment for the chargeable period starting on 1 April 2025. |
