Tax Return 2025 Start Date Uk. Online tax return deadline & payment deadline for the 2023/24 tax year 31st january 2025: How to file a self.
This method is less common now, as most people choose to file online, but it’s still an. 2.re any unpaid tax due on savings interest should a return for ty 2024/25, sent in by 31/10/2025, include savings interest earned in 2023/24?