Barn motorhome storage (United Kingdom DE11)

Hi There. We are looking for somewhere undercover to store our Motorhome. We are based in Swadlincote, but happy to travel. It’s been stored outside and we now have problems with water ingress. Any suggestions or arrangements considered. It’s 7m long, 3.2m high and weighs 4 tonnes, so technically a small HGV. Thanks for your consideration. Hugh & Eloise.