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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…
Sign in and send your Self Assessment tax return online.
Self Assessment tax return forms for the current tax year
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
How to register for Self Assessment if you need to send a tax return or want to make voluntary Class 2 National Insurance payments.
Use this tool to find out if you need to send a tax return for the 2023 to 2024 tax year (6 April 2023 to 5 April 2024).
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.
Sign in or set up a personal or business tax account, Self Assessment, Corporation Tax, PAYE for employers, VAT and other services.
How to report your income and claim tax reliefs and any repayment due to you using the SA100 tax return.
Get help, support and guidance with filling in your Self Assessment tax return.
Where to find your unique tax reference (UTR) number, what to do if you've lost your UTR number, or how to apply if you do not have a UTR number
Understand your Self Assessment tax bill - tax you owe, balancing payments, payments on account
Helpsheets for your Self Assessment tax return.
Learn more about getting started with Self Assessment including registration, tax returns, tax bills and payments.
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.
If you’ve missed Self Assessment deadlines get an estimate of how much you’ll need to pay in penalties and interest
Use Self Assessment software to help populate your Self Assessment tax return.
Find out whether you need to pay tax on your UK income while you're living abroad - non-resident landlord scheme, tax returns, claiming relief if you’re taxed twice, personal allowance of tax-free income, form R43
Use form SA900 to file a Trust and Estate Tax Return.
Don’t include personal or financial information like your National Insurance number or credit card details.
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