We as a Company only supply and install windows, doors and quality conservatories offering highly insulated and fully weather resistant door and window frames, delivering the best in technologically advanced glazing systems. Areas serviced: Berkshirewww.laffordandleavey.co.ukArrowhead Rd Theale, RG7 4AD

Based in the Reading area, we are the largest local home improvement company serving the Thames Valley and have been trading since 1981. We supply and install quality conservatories, windows and doors; so our customers can enjoy all the benefits of the best, technologically advanced, glazing systems.www.harlequinweb.co.ukUnit 2/Headley Pk Ten Woodley, RG5 4SW

Alpha Windows is a small family partnership established in 1976. We pride ourselves on offering both a professional service and competitively priced products. Alpha Windows are a Fensa (Government initiated body to police the double glazing industry) registered company and all applicable installations will be certificated.www.alphawindows.co.uk396 London Rd Earley, RG6 1BA

Advance Windows has been glazing the Thames Valley area for over 25 years, offering a complete window solution from manufacturing through to delivery and installation. We provide a comprehensive glazing service backed with reliability, quality and experience. Glazing your home is an important feature for security, energy saving and appearance.www.advance-windows.co.uk65 Bedford Rd, RG1 7EX

Kellys Sash Windows is a family run business and has been established for over 12 years.Our Head Office is in Berkshire and we cover the M3/M4 corridor and London.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.www.kellyssashwindows.co.uk55 Meadow Rd Earley, RG6 7EX

People often think of Abbey as a double glazing company. Although we replace windows, doors, and fascias, our conservatory business is rapidly expanding along with associated services such as replacement parts and window repairs - to other products as well as our own. We undertake just about every aspect of glass installation and repairs from greenhouse glass to bullet proof and fire proof glass.www.abbeywindows.co.uk193-195 Cardiff Rd, RG1 8HS