If you are “normally” self-employed but are unable to work due to covid-19 you can take a temporary job AND still claim the self-employed grant as long as you meet all the conditions below; 

Please note this does NOT apply to directors who have furlonged themselves. 

Guidance on gov.uk states:

 Who can apply

You can apply if you’re a self-employed individual or a member of a partnership and you:

• have submitted your Income Tax Self Assessment tax return for the tax year 2018-19
• traded in the tax year 2019-20
• are trading when you apply, or would be except for COVID-19
• intend to continue to trade in the tax year 2020-21
• have lost trading/partnership trading profits due to COVID-19