Aibu to tell ex no

[Curiousmum69]

So exDh has been furloughed and called last night to say he was going to come over and sort out the last of his bits that are in the shed.

When I said that's not allowed he told me I was being unreasonable and petty and he doesn't have to come near anyone.

I know he's not taking this seriously and has has his gf over etc.

His daughter is here and is in the shielding group

So aibu to tell him to stay away, even though it will cause major arguments

Is the shed outside?

Can't see a problem as long as he doesn't come in to see her/for a pee/cup of tea?

But it's not an essential journey so obviously he's not allowed

Is his daughter moving back and forth between houses?

No she's an adult so not moving.

Yes it's in the garden

He can only leave his home for food, medicine, work (not applicable) and daily exercise. I suppose he could argue that sorting through his things in the shed is a form of exercise but it's a bit tenuous.