Thank you for your question
My name is Clare
I shall do my nest to help you but I need some further informtaion first
Please confirm that you are not in a Civil Partnership or marriage and that there are no children involved
In that case he has no financial claim on the house if you separate.
His only entitlement is to "reasonable written notice to leave" - at least 28 days maybe 56.
If you died whilst you are still together however he would be able to make a claim against the estate
I hope that this is of assistance - please ask if you need further details