The Caravan The Caravan Gurus offer both caravan servicing and mobile caravan servicing. With years of experience in installing upgrades, solar panels, and other technology, our friendly team is here to help. Located in Dereham, Norfolk, we are just 30 minutes away from Norwich. We pride ourselves on providing fast and efficient service, along with honest advice. Gurus provide caravan servicing and mobile caravan servicing. Based in Dereham, Norfolk, we are just 30 minutes from Norwich.