30 December 2024

Deadline for online submission of self assessment tax returns for year ended 5 April 2024 if you want HMRC to collect tax through your tax code where you owe less than £3,000.

31 January 2025

Deadline for submission of 2023/24 tax return.

July 2024 payment on account plus balancing charge, tax for 2023/24 due.  

First payment on account due for 2024/25.

22 February 2025

PAYE Filing Deadline. 

The electronic payment deadline of the 22nd February falls on a Saturday.  There needs to be cleared funds in HMRC's account by 22nd unless you are able to arrange a Faster Payment. 

If your payment is late you may be charged a penalty. 

28 February 2025

Any unpaid tax for year ended 5th April 2023 due by 31st January 2024 attracts a 5% surcharge.