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.
Boston
Boston is the biggest town in the borough of the identical name, accompanied by a population of 35,124 people. This accounts for more than half of the borough's overall population, which stands at 64,600. For house developments you may well be contemplating in the East Midlands town, you'll want to do a comparison of quotations from vetted and reliable specialists in the area to get the right price for the work.