Hello Tired of this,
It sounds like you may be eligible for an Occupation Order, as you have mentioned in your post, it does not sound safe for him to reside with you at the property. It’s extremely intimidating and concerning that he has imposed himself on you in this way.
If you are able to safely do so, I’d suggest contacting DV Assist who can talk you through the process of making an application for an Occupation Order to have him removed from the home: https://www.dvassist.org.uk/
Take care and keep posting,
Lisa