Longleat and change of policy

Please can anybody help us out.  We are due to stay at Longleat shortly.  We have been many times before and loved it - especially the fact that we could walk our 2 Cavaliers around the estate.  With the changes to the dog policy and the acute lack of a dog walk at the site is there anywhere that they can be walked without taking the car out.  One of them gets travel sick very very quickly!!  Thanks