Tax Return Deadline 2025 Uk. 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. Getting someone to help you with your tax return.
To see the most recent changes announced in the 2025 spring budget, click here. The deadline to file a tax return for the 2022 to 2023 tax year and pay any tax owed is 31 january 2025.