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.
Brampton
Brampton (population 4,627) is a little market town, civil church and selecting ward within the City of Carlisle district of Cumbria, England, concerning 9 miles (14 km) east of Carlisle and 2 miles (3.2 km) south of Hadrian's Wall surface. Historically part of Cumberland, it is located off the A69 road which bypasses it. Brampton railway station, on the Newcastle and Carlisle Train, has to do with a mile outside the town, near the district of Milton. St Martin's Church is renowned as the only church made by the Pre-Raphaelite engineer Philip Webb, and also has among one of the most charming collections of stained glass home windows created by Sir Edward Burne-Jones, as well as implemented in the William Morris workshop.