this may sound like a foolish question but I have only ever camped in very hot countries and never here in England.
What I am not sure about is how you cook here. When I lived abroad and camped, we could just make bbqs all the time or open fires. I'm not sure that's allowed here.
Wandered into a camping shop and they had all sorts of gas bottles for cooking. I imagine you use a primitive stove/kettle jobby for this. Is this what everyone does? Or do you like open pits for fires too?