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• Almost 340,000 Self Assessment filers have already paid their tax bill using the HMRC app.
• It is quick and easy to pay via the HMRC app and set up payment reminders.
• Taxpayers need to file their tax return and pay tax they owe by 31 January.

The number of people using the HMRC app to pay their Self Assessment tax bill has increased by nearly 65%. Almost 340,000 people have used the HMRC app to pay their Self Assessment tax since 6 April 2025, an increase of 132,788 people compared to the same period last year.

Filing tax returns ahead of the deadline means knowing how much tax to pay sooner. It is quick and easy to pay via the HMRC app and set up payment reminders to make sure the deadline isn’t missed.

Myrtle Lloyd, HMRC’s Chief Customer Officer, said:

The Self Assessment deadline is less than one month away, and thousands of people have already paid their tax bill via the HMRC app. It is quick and easy to do, and you can also see your payment history. Search ‘download the HMRC app’ on GOV.UK to access the app and make your Self Assessment payment.

People who are unable to pay any tax owed in full may be able to set up a Time To Pay arrangement, if they meet the eligibility criteria and they owe less than £30,000.

Alternative options include paying directly through a bank account, direct debit or paying online via GOV.UK. A full list of payment options can be found on GOV.UK.

HMRC expects more than 12 million tax returns to be filed by the deadline. Those who miss the deadline will be issued with a penalty:

• an initial £100 fixed penalty, which applies even if there is no tax to pay, or if the tax due is paid on time 
• after 3 months, additional daily penalties of £10 per day, up to a maximum of £900 
• after 6 months, a further penalty of 5% of the tax due or £300, whichever is greater 
• after 12 months, another 5% or £300 charge, whichever is greater 

There are also additional penalties for paying late of 5% of the tax unpaid at 30 days, 6 months and 12 months. If tax remains unpaid after the deadline, interest will also be charged on the amount owed, in addition to the penalties above.

Customers who need assistance to complete their Self Assessment can access support and guidance online 24/7, including YouTube videos, webinars, digital assistant and step-by-step guidance covering different sections of a tax return. Most queries can be resolved online.  

Customers who need to speak to an adviser can call HMRC, Monday to Friday, 8am to 6pm. Phone lines close on Friday 30 January and reopen on Monday 2 February – after the deadline. For full phone support, contact HMRC before Friday 30 January. On Saturday 31 January, HMRC will offer webchat support through its Online Services Helpdesk.

The new High Income Child Benefit Charge (HICBC) PAYE digital service means thousands of Child Benefit claimants who are only in Self Assessment to pay HICBC can choose to pay the charge back through their tax code.

Eligible customers can call HMRC before the filing deadline and tell HMRC that they want to be removed from Self Assessment to use the digital service.  Where a tax return has already been filed, customers can choose to stop from the following tax year. HMRC will then amend their tax code and they will be registered to pay HICBC through PAYE.

Customers do not need to include their 2025 Winter Fuel Payment, or Pension Age Winter Heating payment in Scotland, on their tax return for the 2024 to 2025 tax year as payments received in Autumn 2025 will be recovered in the 2025 to 2026 tax return, due by 31 January 2027.

Self Assessment customers are sometimes targeted by criminals and should never share their HMRC login details with anyone, including a tax agent, if they have one. HMRC scams advice is available on GOV.UK.

Further Information

More information on Self Assessment

339,490 customers paid their Self Assessment tax bill via the HMRC app between 6 April 2025 and 4 January 2026, compared to 206,702 people between 6 April 2024 and 4 January 2025.

People who have sold assets such as shares after 30 October 2024 need to be aware of changed rates of Capital Gains Tax for the disposal of assets when completing their Self Assessment tax return as it won’t automatically calculate the correct amount of Capital Gains Tax due. Instead, they may need to work out an adjustment to the tax automatically calculated using the adjustment calculator on GOV.UK.

Sole traders and landlords with a turnover above £50,000 will be required to use Making Tax Digital (MTD) for Income Tax from 6 April 2026 and be required to submit quarterly summaries of their income and expenses to HMRC. HMRC is urging eligible customers to act now and sign up to Making Tax Digital as this is the best way to get ahead, giving you extra time to select software and familiarise yourself with the new service. Agents can also register their clients via GOV.UK.

HMRC wants to help you get your tax right. Lots of information and support is available which includes: