When Does My Tax Return Need to Be Submitted?

When Does My Tax Return Need to Be Submitted?

When Does My Tax Return Need to Be Submitted? UK Deadlines for 2025/26 and 2026/27 Missing a Self Assessment deadline costs £100 automatically — even if you owe HMRC nothing at all. In 2024 alone, more than 1.1 million people missed the filing deadline, and HMRC...