To be a member these organisations we are required to comply to their strict criteria, manufacturing high quality timber windows and doors. (sashwindow.com)
New windows & doors: Green Building Store Ultra triple - glazed timber windows with insulated frames, overall U-value of 0.8 W / m2K. (passivehouseplus.ie)
Specialising particularly in sash windows, they reproduce the mouldings and detailed characteristics of timber windows using traditional woodworking methods, to recreate authentic replacement sash windows. (idealhome.co.uk)