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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.

• Overview

  Self Assessment is a system HM Revenue and Customs (HMRC) uses to collect…

• Who must send a tax return

  You must send a tax return if, in the last tax year (6 April to 5 April),…

• Registering and sending a return

  You must register for Self Assessment if you have to send a tax return and…

• If you no longer need to send a tax return

  You must tell HMRC if you believe you no longer need to send a tax return.…

• Deadlines

  HM Revenue and Customs (HMRC) must receive your tax return and any money…

• Penalties

  You’ll get a penalty if you need to send a tax return and you miss the…

• If you need to change your return

  You can make a change to a tax return after you filed it, for example…

• How to get help

  If you need help with Self Assessment, you can: appoint someone to fill in…

• Returns for someone who has died

  If you’re the ‘personal representative’ (an executor or administrator) for…

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

Use HM Revenue and Customs’ (HMRC) tax checker to get an estimate of how much Income Tax you should be paying.

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

Estimate how much Income Tax and National Insurance you can expect to pay for the current tax year (6 April 2024 to 5 April 2025).

Your accounting period for Corporation Tax and Company Tax returns - financial years and accounting periods, changing accounting periods

Print your SA302 tax calculation and tax year overview if you're applying for a mortgage and need proof of earnings.

These National Statistics (Accredited Official) tables provide detailed information on individuals who could be liable to UK Income Tax, and their incomes.

• Updated: 29 February 2024

Personal Allowance, Income Tax rates, bands and thresholds.

How to line up your reporting dates for accounts and Company Tax Returns at the end of your limited company's first year

End-of-year tasks, P60 form, report expenses and benefits, send last FPS to HMRC, prepare for new tax year.

View your Annual Tax Summary and find out how the government calculates and spends your Income Tax and National Insurance contributions.

• Updated: 13 February 2024

OTS publishes analysis of the potential benefits, costs and implications of a change to the tax year.

• Updated: 15 September 2021

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).

Guidance for parents and partners of students on how to apply for a Current Year Income assessment for the 2023/24 academic year now that the 2023-24 tax year has ended.

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.

OTS outlines scope of a review about the potential for moving the end of the tax year

• Updated: 4 June 2021

Income Tax is a tax you pay on your earnings - find out about what it is, how you pay and how to check you're paying the right amount using HMRC's tax calculator.

Sign in and send your Self Assessment tax return online.