MPN Windows your Cardiff CF10 serving company for the very best value quality affordable double or triple glazed 70mm slimline flush sash upvc windows supplied and fitted. Our 70mm flush casement windows are a new window system designed to bring all the beauty of heritage designs, without any of the drawbacks for customers of old tired rotted timber wood or wooden windows. We are ready to fit your new or replacement windows in Cardiff city centre, Grangetown, Cardiff Bay, Butetown – Cardiff CF10 South Glamorgan and South Wales.