HM Revenue and Customs (HMRC) must receive your tax return and any money you owe by the deadline of 31st January 2021 for the tax year that started on 6 April 2019 and ended on 5 April 2020.
It is the 20th anniversary of Self Assessment internet filing, the service began on 3 July 2000 – with 38,000 individuals successfully sending their digital tax return by 31 January 2001! In contrast, 100,000 people filed their tax returns on 6 April 2020, when filing for the 19/20 Tax Year opened!
EDIT 25/1: Self Assessment customers will not receive a penalty for their late online tax return if they file by 28 February, HM Revenue and Customs has announced today. Interest will be charged from 1 February on any outstanding liabilities
If you cannot afford to pay your latest bill:
If you cannot afford to pay your tax liability due, you should still ensure that your return is submitted by the deadline
You can set up a payment plan to spread the cost of your latest Self Assessment bill if all the following apply:
- you owe £30,000 or less
- you do not have any other payment plans or debts with HMRC
- your tax returns are up to date
- it’s less than 60 days after the payment deadline
You can choose how much to pay straight away and how much you want to pay each month. You’ll have to pay interest.
If you don’t keep up with your repayments, HM Revenue and Customs (HMRC) can ask you to pay everything you owe.
There are 2 ways you can set up a payment plan:
If you are unable to pay and don’t meet the criteria to set up a payment plan online, you should call the Self Assessment Payment Helpline on 0300 200 3822
If you have been issued a notice to complete a tax return, but don’t believe that you need to complete a return, you should contact HMRC before the deadline to avoid penalties for late submission
You can call HMRC for advice on Self Assessment on 0300 200 3310 or +44 161 931 9070 if you are calling from abroad
If you have a National Insurance number and Self Assessment Unique Taxpayer Reference have them with you.
The helpline is open Monday to Friday: 8am to 6pm, closed on weekends and bank holidays