In the absence of any other reply, you can search for mobile engineers in your area via the Approved Workshop scheme at the following link. Approved Workshop Search
Thanks Paul,found one via your link,RSW Cleveleys,thanks again.I had thought about using someone called ARP near blackpool but cannot find out anything about them so i will go with the approved list.
Another vote for Acorn Leisure. I have only had the van for 12 months but they have done 2 jobs and a service for me. They did not charge for one of the jobs as they were already on the storage site at another van. First class work all round and at a very competitive price.