It shouldn’t do. Most companies will do all the interior work first, and the last job to do will be creating the opening from the house to the conversion. A reputable company will make sure they cause as little disruption as possible during this time.
Dulverton
Dulverton is a village and also civil parish in the heart of West Somerset, England, near the border with Devon. The community has a population of 1,408. The parish consists of the communities of Battleton and Ashwick which is located roughly 3.5 miles (5.6 km) north west of Dulverton. To the west of the district lies Ashwick House, built in the Edwardian style in 1901. Additionally close-by is the estate of Northmoor, previously a seat of Sir Frederick Wills,1 st Baronet of Northmoor, one of the 4 Wills Baronetcys, and also the founders of the Imperial Tobacco Company. In 1929 Sir Frederick's child & heir, Sir Gilbert Wills, 2nd Baronet, was raised to the peerage as Baron Dulverton, whose principal seat was at Batsford Park, near Batsford, Gloucestershire. Dulverton is a preferred vacationer destination for discovering Exmoor, and is house to the Exmoor National Park Authority headquarters. The community lies on the course of the Exe Valley Way as well as Land's End Trail.