Key Tax Deadlines - March & April 2025

1 minute

A number of important tax deadlines are coming up in March and April that you may need to be...

By JS .

A number of important tax deadlines are coming up in March and April that you may need to be aware of to avoid incurring any penalties.

Take a look at our ‘dates for your diary’ below to see which dates may apply to you:

Date
What's Due
01/03Corporation tax payment for the year to 30/05/2024 (unless quarterly instalments apply)
19/03PAYE & NIC deductions, and CIS return and tax, for the month to 05/03/2025 (due 22/03/2025 if you pay electronically)
26/03Spring Forecast: the Chancellor of the Exchequer, Rachel Reeves, will present her Spring forecast
01/04Corporation tax payment for the year to 30/06/2024 (unless quarterly instalments apply)
05/04End of the 2024/25 tax year – many tax planning actions need to have been taken by this date
06/04Start of the 2025/26 tax year
19/04PAYE & NIC deductions, and CIS return and tax, for the month to 05/04/2025 (due 22/04/2025 if you pay electronically)
30/04Annual Tax on Enveloped Dwellings (ATED) returns and payment for the chargeable period starting on 1 April 2025