I am divorcing my husband. We have the Nisi, he’s moved out and is sharing a house an hour away. We have agreed to EOW contact but he says that the children can’t stay with him as it’s just too crowded and his mate whose house it is, doesn’t much like it. And it’s too far. And too hard during lockdown. 
So if it’s his weekend he’s actually just taking them for an afternoon out. He doesn’t like to do both days as it’s “too much.” And he’s asked me to contribute to his petrol costs too, or drop them with him, a round trip of 2 hours.
It’s his weekend again and he is telling me he can have them just on Saturday afternoon and “maybe” Sunday “depending on Charlie, he doesn’t like coming here.” I’ve suggested that he takes them out - country walk, chips at the seaside nearby, etc but no.
He is hoping to get his own place once our finances are sorted but that could be months realistically, and whilst I would be happy to never set eyes on him again, the kids would benefit from two parents. He keeps telling me that when he has his own place he will be having the kids a lot more and they may well move in with him.
Financially he is just about holding up his end of the agreements.
So, what’s the best way to proceed? How do I formalise things so that it’s set in stone?
I should add that his having them here in the family home isn’t an option; he was arrested for coercive control, but released without charge, and there’s a long history of control and non violent abuse.