Sheffield Window Centre – Manufacturers and installers of quality Windows, Doors, Porches, Conservatories, Orangeries, Stained Glass, Fascias, Soffits and Guttering Sheffield Window Centre is a local family business, established in 1975 with more than 35 years of continuous trading. We manufacture high quality uPVC windows, doors and conservatories in the heart of Sheffield. Over the years, we have worked hard to build a reputation as the double glazing company that you can trust, offering beautifully crafted, custom made products, honest advice and first class customer service. The majority of our staff have been with us for over 15 years, and they all share our family’s commitment to providing the very best levels of quality and service to every customer. We pride ourselves on the fact that, if you contact us for a quote, you will always get our best price first time. All of our quotes are sent by post after a brief visit and we NEVER use pressure or sales gimmicks to sell our products. We are FENSA registered, and are members of every reputable trade association, including the Glass & Glazing Federation, Conservatory Association, The Glazing Ombudsman and more.