This post may contain affiliate links. This means I might receive a small commission, at no additional cost to you, if you click and decide to make a purchase. Thank you for supporting my blog.

Here are the UK Tax Year 2019/2020 Tax Dates and Filing Deadlines for the Self-Employed.

The UK tax year runs from 6 April to 5 April each year.

So the 2019/2020 tax year is 6 April 2019 to 5 April 2020.

31 January 2019Self Assessment Tax Return for 2017/2018 Due for Filing

1st Payment on Account for 2018/2019


Balance of any tax, national insurance and student loans for 2017/2018 due for payment.

5 April 2019End of the 2018/2019 tax year
31 July 20192nd Payment on Account for 2018/2019 due for payment
5 October 2019Deadline to register as self employed with HMRC
31 October 2019Deadline for filing PAPER self assessment tax return
30 December 2019Deadline for filing self-assessment tax return if you want any tax collected through PAYE (max £3,000)
31 January 2020Self-Assessment Tax Return for 2018/2019 Due for Filing

1st Payment on Account for 2019/2020

Balance of any tax, national insurance and student loans for 2018/2019 due for payment.

Updated 15 April 2019