Tax Return Due Date 2024 Uk. Hm revenue & customs (hmrc) must receive your tax return by midnight. 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 ยฃ100.
Here is a summary of some of the main uk tax year dates and tax return deadlines for the 2024/25 tax year, so you can mark them in your diary. Use this service to estimate how much income tax and national insurance you should pay for the current tax year (6 april 2024 to 5 april 2025).