2024 Tax Deadline Extension Date Uk. January 31 is the deadline for online tax returns to be completed. If you need to do a tax return, the deadline for submitting it for the uk tax year 2023/24 (6 april to 5 april) is midnight on 31 october 2024 if you’re submitting your return on.
First day of the 2024/25 tax year. This date holds immense significance for taxpayers across the united kingdom.
