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When do I need to submit my Tax Return by?

Once registered as self employed, HMRC will write to you in April/May to request completion of your SA100 Self Assessment Tax Return. However, if you don’t receive a letter, you’ll need to still complete a return.

What is a Tax Year?

‘Tax Years’ run from 6 April – 5 April the following year.

The table below shows recent tax years, and the deadlines for online submission and payment of your taxes.

Tax YearStart DateEndDateDeadline Date*
2016/176 April 20165 April 201731 January 2018
2017/186 April 20175 April 201831 January 2019
2018/196 April 20185 April 201931 January 2020
2019/206 April 20195 April 202031 January 2021
2020/216 April 20205 April 202131 January 2022
2021/226 April 20215 April 202231 January 2023

*The deadline date is when you must pay all tax which is due, including any national insurance contributions and the first Payment on Account (if applicable).

Example

Claire began her self employment on 23 August 2017

This falls within the 2017/18 financial year (6 April 2017 – 5 April 2018)

She must complete her tax return and pay any tax, national insurance and her first payment on account (if applicable) by the 31 January 2019.

 

MalgraBooks: Our premium service includes SA100 Tax Return preparation, and we can even submit your tax return for you. Find out more about our services at malgrabooks.co.uk.

 

Updated on June 30, 2019

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