@Glos Guy
I going to pick daughter up in a bit. I’ll look more in depth when I get back 🙂
You don’t have a smart meter by the looks of it?
The service head (black box bottom left of 1st picture) has a 60A cutout, which would require a minor works order to uprate it to 80A or commonly 100A
You would also require an 100A isolator installing
It is “possible” to come of a consumer unit, providing there is enough spare wares and a double pole RCD is fitted, which you have. However it is better to take a supply and installing adedicated charger consumer unit alongside or extenally. Though this depends on the existing tails fitted, and your whole home electrical demand.
More later…