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Self Assessment tax returns - deadlines, who must send a tax return, penalties, corrections and returns for someone who has died.
Self Assessment is a system HM Revenue and Customs (HMRC) uses to collect…
You must send a tax return if, in the last tax year (6 April to 5 April),…
You must tell HMRC by 5 October if you need to complete a tax return for…
You can send a tax return by either: submitting an online return sending a…
You must tell HMRC as soon as possible if you believe you no longer need…
HM Revenue and Customs (HMRC) must receive your tax return and any money…
You’ll get a penalty if you need to complete a tax return and you: send…
You can make a change to a tax return after you filed it, for example…
You may be able to get a tax refund (also known as a ‘repayment’ or…
Find out what support is available to help you fill in your tax return and…
If you’re the ‘personal representative’ (an executor or administrator) for…
Sign in and send your Self Assessment tax return online.
Includes filing, deadlines, pay and tax records
Use this tool to find out if you need to send a tax return for the 2024 to 2025 tax year (6 April 2024 to 5 April 2025).
Understand your Self Assessment tax bill - your tax calculation, statement, balancing payments, payments on account.
How to register for Self Assessment or reactivate your account, if you need to send a tax return or want to make voluntary Class 2 National Insurance payments.
Guidance, forms and helpsheets for Self Assessment. Including filing returns, paying your bill, refunds, penalties, and help and support.
Payment options for your Self Assessment tax bill - Direct Debit, bank transfer, through your tax code, debit or credit card, cheque and pay weekly or monthly
Get help with Self Assessment by using online tools and guidance, and watching HMRC YouTube videos.
Use form SA1 to register for Self Assessment for any reason other than self-employment.
Don’t include personal or financial information like your National Insurance number or credit card details.
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