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Check your Income Tax, Personal Allowance and tax code for the current tax year. Update details of your income from jobs and pensions.
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 by 5 October if you need to complete…
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…
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…
Check how the government calculates and spends your Income Tax and National Insurance contributions within your Annual Tax Summary.
Use HM Revenue and Customs’ (HMRC) tax checker to get an estimate of how much Income Tax you should have paid in a previous tax year.
Understand your Self Assessment tax bill - your tax calculation, statement, balancing payments, payments on account.
Check how much Income Tax you paid to HM Revenue and Customs (HMRC) last year. Check your P800.
Nearly 300,000 customers file their Self Assessment tax return for the 2024 to 2025 tax year at earliest opportunity.
Use these rates and allowances for Capital Gains Tax to work out your overall gains above your tax-free allowance, known as the annual exempt amount.
Scottish rate of Income Tax, what it's paid on, who pays it, how to work out which is your main home.
How to report profit on your Self Assessment tax return from 2023 to 2024 if your accounting year does not end on or between 31 March to 5 April.
Don’t include personal or financial information like your National Insurance number or credit card details.
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