31 JANUARY 2024

Deadline for 1st payment on account for 2023/24 tax year.

5 APRIL 2024

Deadline for claiming tax overpaid for the 2019/20 tax year under Self-Assessment.

6 APRIL 2024

First day of the new tax year 2024/25.

31 MAY 2024

Last date to give employees a form P60 for 2023/24.

6 JULY 2024

Copies of 2023/24 P11d documents issued to employees.

31 JULY 2024

Deadline for 2nd payment on account for tax year ending 5 April 2024.

Deadline for renewing tax credit claims for 2024/25 and confirming tax credit claims for 2023/24.

5 OCTOBER 2024

Deadline to register with the HMRC if you became self-employed or started receiving income from property in the previous year.

31 OCTOBER 2024

Deadline for paper Self-Assessment Returns for 2023/24 tax year.

30 DECEMBER 2024

Deadline for online submission of Self-Assessment Returns for year ending 5 April 2024 for HMRC to collect tax through PAYE tax codes where they owe less than £3,000.

31 JANUARY 2025

Deadline for online self-assessment tax returns for 2023/24 tax year.

Deadline for paying tax bill for tax year ending 5 April 2024.

5 APRIL 2025

End of tax year 2024/25.