Self Assessment is a system HM Revenue and Customs (HMRC) uses to collect Income Tax.
Tax is usually deducted automatically from wages and pensions. People and businesses with other income must report it in a Self Assessment tax return.
The last tax year started on 6 April 2023 and ended on 5 April 2024.
Deadline for submitting an online return
If you’re doing an online tax return, you must submit it by midnight 31 January 2025.
Deadlines for paying tax you owe
You need to pay the tax you owe by midnight 31 January 2025.
There’s usually a second payment deadline of 31 July if you make advance payments towards your bill (known as ‘payments on account’).
You’ll usually pay a penalty if you’re late. You can appeal against a penalty if you have a reasonable excuse.
HMRC’s YouTube channel offers short videos to help you with your tax return including 'How do I tailor my Self Assessment tax return'.
For further information please select the following link: Self Assessment tax returns: Overview - GOV.UK