Hi we live in Liverpool, Technically we have no filling station within a 10 mile radious, but if you use your own knowledge, there are plenty of small independent garages that allow you to refill, I have found one literally around the corner. Just poped in and asked and they said no problem, Just refilled 13 literes this morning at 0.65p each came to £8.45, I think the calor lite is the same size and cost me £22.50 last time so its a big saving.
Also another thought asda have lpg pumps on our local unmanned station, nobody has ever questioned me filling up their either.
I was blinkered at first and delayed purchasing due to no refil point where I live but then in practice when i looked at actually where I tow the van too, there are planty of fill up points.
The likes of morrisons used to allow refills but then Calor whom supply them stated they couldnt, I wonder why?
I know its a bit of go out and see for yourself, but if you get it right and you use a lot of gas ie winter rallying like us, there are big savings in the long run to be had.
Hope this helps
John