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Sierra Windows - The UK's Leading UPVC Windows & Doors Fabricators

Established in 1976, Sierra Windows has developed into one of the UK's leading windows and doors suppliers, specialising in supplying PVCU windows and doors across the UK. We operate from a 126,000 sq ft manufacturing facility that employs a team of experienced window fabricators who pride themselves in bringing you top quality, good value, made to measure window systems and doors.

Double Glazing

Whether you're looking for energy efficiency, sustainability, bespoke designs or just great service, we'll provide for all your needs. Sierra is part of the renowned and highly respected Epwin Group, an independent thriving British business and an expert extruder of PVCU Products. Our combined knowledge and staying power bring you all the help you could want to successfully win customers and develop your business.

A world of choice

One of our main advantages as window suppliers and PVCU door suppliers is the sheer extent of the options we can give you in terms of customisation. All our ranges of windows and doors offer a lot of scope to customise your windows or doors, whether it's colour, finish, design, budget, or hardware. Of course, whatever benefits you, benefits your customer, as the wide selection of choice gives you a myriad of selling advantages to develop your business.

Comprehensive service

All our products are thoroughly tested during the manufacturing process to ensure compliance to all industry regulations, but the level of quality doesn't stop there. Our ordering system has three separate levels of accuracy checking, and our deliveries are 99.1% on time and complete.

If you need any assistance during the installation process, we provide a number of detailed and specific product guides, and a trained support team is always only a phone call away. Finally, we also have a highly experienced marketing support team to assist and improve your advertising and marketing strategy. So call today on 0808 178 3455 to see what we could do for you!