Welcome to Kellys Sash Windows Ltd Kellys Sash Windows is a family run business and has been established for over 15 years. Our Head Office is in Berkshire and we cover the M3/M4 corridor including Thames Valley and London areas. We also offer our services throughout Europe. We provide an excellent service and are able to match any window, anywhere, double or single glazed at a cost effective price. Kellys sash Windows can also offer other building services: Wooden box Sash Windows Single and double glazed wooden sash windows Wooden casement Windows Single Glazed wooden sashes Wooden French windows Wooden front and back doors Wooden spiral sash windows Traditional wooden widows Draught Sealing ...and any minor repairs to all wooden windows