Dunster it was part of Williton Rural District. The district council is responsible for local planning and building control, local roads, council housing, environmental health, markets and fairs, refuse collection and recycling, cemeteries and crematoria, leisure services, parks, and tourism. The larger and most expensive local services such as education, social services, libraries, main roads, public transport, policing and fire services, trading standards, waste disposal and strategic planning are the responsibility of Somerset County Council. As Dunster falls within the Exmoor National Park, some functions normally administered by district or county councils have, since 1997, fallen under the Exmoor National Park
Dunster Castle a keen historian, decided to follow this trend at Dunster; in the process, he also hoped to accommodate the larger household and facilities required for a 19th-century landowner: by 1881, the castle required 15 "living-in" servants alone. He employed Anthony Salvin, a noted architect then most famous for his work at Alnwick Castle, to carry out the work between 1868 and 1872 at a total cost of £25,350 (equivalent to £1.76 million in 2010). The work included the construction of an underground reservoir, holding of water to provide running water for the castle and village. Salvin aimed to create a