Located close to one of South Cumbria’s market towns, Sedbergh, the Howgill Skies development has been designed and built to the latest standards. Developer Cumbrian Homes required high performance insulation to achieve target U-values of 0.26 in the cavity walls and 0.21 in the pitched roofs.Appointed to review the project’s cavity wall requirements, Celotex Energy Assessments (CEA) and the Celotex …