A recent installation of one of our double glazed sash windows, Milnthorpe, Cumbria. This is one of our double glazed upgrades, restoring the original box frames and installing new Accoya wood sashes manufactured to match the original sashes whole contains high performance double glazed units. We have received approval on a number of listed property’s in Cumbria for our double glazed sashes to be installed. As can be seen from the photo our method can replicate the features of a Georgian window exactly, while drastically improving the thermal performace of your sash windows.