Where abouts are you? www.northcotestud.co.uk have one in Lancashire
panama equine has one (I think they're skipton way)
and Yorkshire Equine Centre near Leeds has one - I've used this one a number of times and have been very happy with the service.
Kate x
My mare has just spent 7 weeks @ Higher Spen in Fence Burnley after a hind leg pedal bone fracture and i would highly recommend them. http://www.higherspen.co.uk/