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Check how much Income Tax you paid to HM Revenue and Customs (HMRC) last year. Check your P800.

Paying tax if you come back to the UK after living abroad - tax status, temporary residence, tax if you return to the UK within 5 years, tax returns, National Insurance

Personal Allowance, Income Tax rates, bands and thresholds.

• Current rates and allowances

  How much Income Tax you pay in each tax year depends on: how much of your…

• Previous tax years

  The standard Personal Allowance from 6 April 2025 to 5 April 2026 was…

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

Accounts for Companies House and Company Tax Returns for HMRC - what you must send, deadlines, filing separately or together

Check if you need to use Making Tax Digital for Income Tax to report your self-employment and property income.

• Updated: 26 March 2026

If you’ve missed Self Assessment deadlines get an estimate of how much you’ll need to pay in penalties and interest

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).

How you're taxed on dividend payments and how your income affects the amount of tax to pay

Understand your Self Assessment tax bill - your tax calculation, statement, balancing payments, payments on account.