In reply to unclesamsauntibess:
thanks for your offer. I'd be interested in your garden. I've sent you an email...
I've had replies from some sites : -
* Pool Road Campsite - £50 for a 2 man tent for one night
* Crain Syke farm, North Rigton - £30 for a 2 man tent for one night
* Manor House park - ground waterlogged