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Filling in the Inland Revenue self assessment online tax form

If you need to file a self assessment tax form in the UK to work out your income tax you have a number of options. You can fill in a paper tax return, do the online return, use some 3rd party tax software, or pay someone else to do it for you.

I’m going to show you what the HMRC online self assessment forms are like, from the beginning to the end.

To start off you log into the system and choose the option to ‘File a return’.

01 self assessment overview

You’ll get an explanation of who can use the online self assessment, and who can’t. As long as your financial isn’t too exotic you should be able to use the online tax forms.

02 self assessment welcome page

To get started you’ll need to confirm some personal details about your name, national insurance number, etc. Most of these should have been filled in for you already, so you only need to update them if necessary.

03 self assessment tell us about you

In the ‘Tailor your return’ section you need to enter some high level details about your financial situation, such as whether you are employed, self-employed, have received bank interest, have other income, and more. The answers to these questions will set up which parts of the form you’ll see later on. Don’t worry too much about getting your answers correct first time. Up until the point that you make the final submission, you can go back and change any parts of the self assessment form later.

04 tailor your return

06 3 tailor your return

If you are stuck on any section you can click on the green question marks next to the boxes, and you’ll get a pop-up with help messages in it.

05 help screen

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2 Responses to “Filling in the Inland Revenue self assessment online tax form”

  1. Helen says:

    A step by step guid to filling in the self assessment form on the HMRC website? Very nice – if only their own help files were this useful, fewer people would probably get into such a mess with their own tax returns.

  2. Alex Ryan says:

    That is a very useful guide and having done a few online I still think it adds value.

    I have one very important tip. Do not leave it to the last day if you can avoid it becuse the website gets so busy you might not be able to log on.

    I think in previous years when this ahs happened the HMRC say its tough luck as you have had nearly 9 months to do it already.

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