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Sign in and send your Self Assessment tax return online.
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.
Self Assessment tax returns - deadlines, who must send a tax return, penalties, corrections and returns for someone who has died.
Self Assessment is a system HM Revenue and Customs (HMRC) uses to collect…
You must send a tax return if, in the last tax year (6 April to 5 April),…
You must tell HMRC by 5 October if you need to complete a tax return for…
You can send a tax return by either: submitting an online return sending a…
You must tell HMRC as soon as possible if you believe you no longer need…
HM Revenue and Customs (HMRC) must receive your tax return and any money…
You’ll get a penalty if you need to complete a tax return and you: send…
You can make a change to a tax return after you filed it, for example…
You may be able to get a tax refund (also known as a ‘repayment’ or…
Find out what support is available to help you fill in your tax return and…
Payment options for your Self Assessment tax bill - Direct Debit, bank transfer, through your tax code, debit or credit card, cheque and pay weekly or monthly
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).
Work out your State Pension age and Pension Credit qualifying age
How to register for Self Assessment or reactivate your account, if you need to send a tax return or want to make voluntary Class 2 National Insurance payments.
Information on how to find your National Insurance number and how to get a letter with your National Insurance number on.
Use this tool to find out if you need to send a tax return for the 2024 to 2025 tax year (6 April 2024 to 5 April 2025).
Personal Allowance, Income Tax rates, bands and thresholds.
Check your Income Tax, Personal Allowance and tax code for the current tax year. Update details of your income from jobs and pensions.
Find out if you've paid enough National Insurance to qualify for the full State Pension - check gaps, contributions and credits, get a National Insurance statement, call the helpline.
Use this tool to find out what you need to do to get a tax refund (rebate) if you’ve paid too much Income Tax.
What tax codes are, how they're worked out, and what to do if you think your code is wrong.
You do not pay tax on your savings interest if you're on a low income.
Where to find your unique tax reference (UTR) number, what to do if you've lost your UTR number, or how to apply if you do not have a UTR number
Child Trust Fund accounts - find a lost account, how to make payments, managing the account
High Income Child Benefit Charge - check if you're affected, how and when to pay this tax charge, opt out, restart Child Benefit payments or tell HMRC about a change in your circumstances.
Pay your Simple Assessment bill. Check the tax calculation from HM Revenue and Customs (HMRC) and pay any tax you owe.
Inheritance Tax (IHT) is paid when a person's estate is worth more than £325,000 when they die - exemptions, passing on property. Sometimes known as death duties.
Don’t include personal or financial information like your National Insurance number or credit card details.
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