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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 register for Self Assessment if you have to send a tax return and…
You must tell HMRC if you believe you no longer need to send a tax return.…
HM Revenue and Customs (HMRC) must receive your tax return and any money…
You’ll get a penalty if you need to send a tax return and you miss the…
You can make a change to a tax return after you filed it, for example…
If you need help with Self Assessment, you can: appoint someone to fill in…
If you’re the ‘personal representative’ (an executor or administrator) for…
Includes filing, deadlines, pay and tax records
Sign in and send your Self Assessment tax return online.
How to register for Self Assessment if you need to send a tax return or want to make voluntary Class 2 National Insurance payments.
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
Use this tool to find out if you need to send a tax return for the 2022 to 2023 tax year (6 April 2022 to 5 April 2023).
Sign in or set up a personal or business tax account, Self Assessment, Corporation Tax, PAYE for employers, VAT and other services.
How to get online help with Self Assessment from HMRC by using our digital assistant, community forums, YouTube videos and online tools.
Guidance, forms and helpsheets for Self Assessment. Including filing returns, paying your bill, refunds, penalties, and help and support.
Understand your Self Assessment tax bill - tax you owe, balancing payments, payments on account
Learn more about getting started with Self Assessment including registration, tax returns, tax bills and payments.
If you’ve missed Self Assessment deadlines get an estimate of how much you’ll need to pay in penalties and interest
Contact HMRC for advice on Self Assessment and to change your personal details
Self Assessment tax return forms for the current tax year
Sign into or set up a personal tax account to check and manage HMRC records, including Income Tax, change of address, Self Assessment and company car tax.
Use form SA1 to register for Self Assessment for any reason other than self-employment.
How to pay a Self Assessment late filing penalty or late payment penalty by Direct Debit, bank transfer, credit card, cheque or at a bank or building society.
Helpsheets for your Self Assessment tax return.
Find out what the Self Assessment for Agents online service is for, what you can do in the service and how to do it.
Check when and how to appeal against a penalty for filing your individual or partnership Self Assessment return late or not making a payment on time.
Don’t include personal or financial information like your National Insurance number or credit card details.
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