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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.
Check how much Income Tax you paid to HM Revenue and Customs (HMRC) last year. Check your P800.
Understand your Self Assessment tax bill - your tax calculation, statement, balancing payments, payments on account.
When you submit a Self Assessment tax return, you’ll get a: Self…
Your Self Assessment statement shows: the tax you owe at the time the…
Your tax calculation (SA302) shows: your total income on which tax is due…
‘Payments on account’ are payments towards your next tax bill (including…
Check how the government calculates and spends your Income Tax and National Insurance contributions within your Annual Tax Summary.
Self Assessment tax returns - deadlines, who must send a tax return, penalties, corrections and returns for someone who has died.
What to do if you need to pay more tax or you're due a refund, including P800 tax calculations from HM Revenue and Customs (HMRC).
Check your Income Tax, Personal Allowance and tax code for the current tax year. Update details of your income from jobs and pensions.
Personal Allowance, Income Tax rates, bands and thresholds.
If you’ve missed Self Assessment deadlines get an estimate of how much you’ll need to pay in penalties and interest
Millions of taxpayers have less than one month to file their Self Assessment tax return.
Don’t include personal or financial information like your National Insurance number or credit card details.
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