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Nearly 300,000 customers file their Self Assessment tax return for the 2024 to 2025 tax year at earliest opportunity.

• Updated: 7 May 2025

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

End your tax credits award when you start to claim Universal Credit - how to end tax credits, personal details, income and self-employed income

• Overview

  Universal Credit will replace tax credits, Housing Benefit and some other…

• Personal details

  You’ll get a guide with your award review letter to help you end your tax…

• If you're employed or on benefits

  You’ll have to confirm your income if you’re paid your wages or salary…

• If you’re self-employed

  You need to work out your income from being self-employed for your ‘award…

• Changes to your personal details or income

  You’ll have to confirm any changes when you stop getting tax credits - if…

• What happens next

  If your details are incorrect you’ll have to phone HM Revenue and Customs…

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

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

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

How to prepare a Company Tax Return for your limited company or unincorporated association - deadlines, corrections and penalties

Records and paperwork you must keep if you're self-employed as a sole trader or partner in a business: income, costs, profit, how long to keep records.

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

Use these forms to send a quarterly return by post if you're acting on behalf of landlords based outside the UK.

• Updated: 23 August 2024