Tax Deadline 2024 Extension Date Uk. Without further ado, here’s a closer look at the key tax dates you need to know for 2024. Your second payment on account will be due by midnight on 31 july 2024.

The tax return deadline for 2024 is set for 31st january. With only one week to go until the 31 january self assessment deadline, the 3.8 million people yet to file their tax return are urged to act now or risk facing a £100 penalty.