You will need to have the living area of your motorhome serviced annually, which will normally be completed by a specialist motorhome retailer or workshop.
This ‘habitation’ service will include the water, gas, electrical and heating systems, which will all need to be checked and maintained. The fridge will be checked too but any major servicing is usually done separately.
It is a requirement for your annual service to be carried out at an Approved Workshop (AWS). The Camping and Caravanning Club, the Caravan and Motorhome Club and the National Caravan Council (NCC) run this scheme. Approved Workshops are required to have certain standards of facilities and appropriately trained technicians.