Specialists in sash windows, overhaul and draught-sealing, repair, restoration and double glazing. Servicing Kent, Sussex and Surrey. Using revolutionary 10mm thick double glazed units we can retro fit sash windows, retaining the original appearance but with all the benefits of double glazing. Not only can we restore sash windows to their original condition by focussing on both the mechanical and aesthetic aspects of the window, we can improve insulation and can save you money on heating bills.