reply from CaSSOA as follows:
"The site owner would only be liable if they were found to be negligent in some way, by not providing advertised levels of security for example. Whilst our site owners may offer the highest levels of security possible, there may be times when incidents occur. Could you advise which site you are referring to? With regards to site fees, I would anticipate that if you don’t wish to pay the increase, the site owner will ask you to remove your caravan from the site. Grading of the site will only be affected if we feel that adequate measures have not been implemented to ensure that repeat thefts are prevented."
I can say I don't think the site owner is being negligent, there is CCTV all around the site and I have seen the camera's in the office, though not always monitored. Chain link fencing on three sides and fourth side is bounded by a stream and railway line with a three wire fence, entry/exit is by appointment 24 hours in advance with a barrier arm. There is a type of razor wire across the chain link fencing, nothing to secure the bottom at the ground level and nothing to stop a would be thief from cutting the wire and pulling it apart to gain access. Despite all this theft has occurred with entry gained by same route! Looks like we pay up and shut up. Other sites too far away and higher fees!