Choose a category… All projects New Eco Buildings Passivhaus Retrofit Building Pathology Class Q Commercial Community Conservation Conversion/Extension Education Historic Buildings Housing Self Build Straw Bale Project Categories Conservation / Historic Buildings / Housing Complex Re-roofing of 16th Century Cottage All roof slopes were recovered and associated roof strengthening/repairs carried out. Wood fibre was used for the insulation. A new dormer window was created and conservation type roof lights installed.