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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 the government calculates and spends your Income Tax and National Insurance contributions within your Annual Tax Summary.

• Updated: 13 February 2024

Check your Income Tax, Personal Allowance and tax code for the current tax year. Update details of your income from jobs and pensions.

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.

Personal Allowance, Income Tax rates, bands and thresholds.

Self Assessment tax returns - deadlines, who must send a tax return, penalties, corrections and returns for someone who has died.

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.

• Updated: 11 September 2023

Find out whether you need to pay UK tax on foreign income - residence and ‘non-dom’ status, tax returns, claiming relief if you’re taxed twice (including certificates of residence)

Estimate how much Income Tax and National Insurance you can expect to pay for the current tax year (6 April 2025 to 5 April 2026).