Have you looked at making the Micra your primary vehicle and the camper as your secondary? I mean, transfer your NCB to the Micra and get standalone insurance for the camper.
Wev a camper n countary to what you read extremely easy to insure..dolmen...
iv a business from home n terrible hard get a company to quote house insurance....I have to ring always n eventually get it sorted over the phone...have you rang all companies...
You cannot use ur NCB on 2 vehicles.
As I cant recommend in this thread, and you don't have enough posts for a PM I will try morse code for a broker I use for 2 cars in my name Just Look Through dot ie