Ok, I've weighed up the pros and cons of having one, and I'm going to purchase given the advice concerning unexpected need!
Here's a cable I've found......I'm hoping this is allowed - if not, my apologies.
I'm really looking to check that this is the right Type 2 to Type 2 cable for emergency 7.5kw charging (as fast chargers have the fast-charge cable....). I've gone for the 7.5kwhr cable as I have a rear wiper on my LR Trophy, and if memory serves, someone said that the wiper being present meant that the 22Kwph cable would not be appropriate.
Here's the link - it's to Amazon Prime....