Understand more about the CWF1 form in this guide including where to find it online on the HMRC website and who needs to complete one.
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Friendly Disclaimer: Whilst I am an accountant, I’m not your accountant. The information in this article is legally correct but it is for guidance and information purposes only. Everyone’s situation is different and unique so you’ll need to use your own best judgement when applying the advice that I give to your situation. If you are unsure or have a question be sure to contact a qualified professional because mistakes can result in penalties.
1. What is a CWF1 Form?
A CWF1 form is an HMRC form that individuals need to complete when they want to register as self-employed but already fill in a tax return for another reason for example because they are a landlord or have dividend income

2. Where to Find the CWF1 Form Online
Individuals need to log into their online tax account on the .GOV website to find the latest version of the 2021/2022 CWF1 form online. It is fairly straightforward to fill out and you’ll be given the opportunity to review the form before you submit it.
3. How to Complete the CWF1 Form Online
You’ll need certain information to complete the form online so that HMRC can tie up your application to the right person. Here’s what you need to have ready:
- National Insurance Number;
- UTR number (here’s how you can find your UTR number).
- Personal details (name, address and phone number);
- Details of the business (name, address, the type of work).
Related:
Friendly Disclaimer: Whilst I am an accountant, I’m not your accountant. The information in this article is legally correct but it is for guidance and information purposes only. Everyone’s situation is different and unique so you’ll need to use your own best judgement when applying the advice that I give to your situation. If you are unsure or have a question be sure to contact a qualified professional because mistakes can result in penalties.