Sereco Windows fits Glazing, uPVC, Timber & Aluminium Windows, Doors and Conservatories, Warm Roofs as well as Secondary Glazing & we cover the areas of Derbyshire (Chesterfield, Bakewell, Buxton and Derby) as well as Sheffield and Nottinghamshire. Specialising in high quality, unique window and door products with our Accoya and hardwood timber windows suiting rural conservation areas. However, we do also supply and install many uPVC windows and are renowned for our "timber look alike” windows.