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Dear customer,

If you’ve already filed your Self Assessment tax return for 2024 to 2025 – or we’ve agreed you don’t need to file one – thank you. You don’t need to do anything else.
 
If you haven’t filed your return, you don’t have to wait until 31‌‌‌ January‌‌‌ 2026, you can do this anytime. This means you’ll avoid the last-minute rush as the deadline approaches. Filing early means you: 
• can get your money sooner if we owe you a refund 
• will know how much tax you need to pay, so you can budget or set up a payment plan with us
• might be able to pay what you owe through your salary or pension the following tax year
• can use your tax calculation as proof of income for a mortgage, loan and any benefit claims
And, you’ll still have until 31‌‌‌ January‌‌‌ 2026 to pay what you owe.

How to get help with filing your return 

Watch our useful YouTube videos or read our hints and tips on GOV‌‌‌.UK. 
 
You can also register for our live and interactive webinars:
• Starting your online tax return
• The employment section of your online tax return
• The self-employment section of your online tax return
• The UK property section of your online tax return
• Other income and tax reliefs on your online tax return
• Finishing your online tax return
• Your Self Assessment calculation and payments

If you need any more information, you can use our digital assistant and online chat.

If your details change 

It’s important to let us know of any changes to your personal details, for example, you’ve changed your name or address. You can also make these changes in our app.

If your circumstances have changed 

It is important you let us know if you think you don’t need to fill in a tax return – for example, when you’ve stopped being self-employed. If you don’t file on time, you might get a penalty.  
 
You can use our online tool to check if you still need to file a return. And, if you do need to leave Self Assessment, you can fill in our online form to tell us.

Manage the emails you get from us 

If you want to change what we send you about Self Assessment, you can quickly manage your email preferences online. Or you can unsubscribe from all HMRC help and support emails.

Yours faithfully
HM Revenue and Customs
 

Watch out for scams

Criminals use emails, phone calls and texts to try to steal information and money from you. Before sharing your personal or financial details, use our website to check the sender or caller is genuine – search 'HMRC phishing and scams' on GOV‌‌‌.UK.  

Never share your HMRC sign-in details. Someone could use them to steal from you or claim benefits or a refund in your name.  

For more advice about how to protect yourself from fraud, please visit GOV‌‌‌.UK.

If you need extra support 

If your health or personal circumstances make it difficult for you to deal with us, you can get help from HMRC.
 
 

HMRC’s help and support email service 

Manage help and support emails in our email portal.

Unsubscribe from all help and support emails.

HMRC app – you can download the HMRC app on your mobile to get information about your tax, income, tax codes, National Insurance and any benefits paid by HMRC. Find out what the app can do and how to download it on GOV‌‌‌.UK.

Stay safe online – for more information, please search 'avoid and report internet scams and phishing' on GOV‌‌‌.UK.