About GLS Windows

Contact us today

About GLS Windows

Contact us today

About GLS Windows

Contact us today

GLS Windows

At GLS we’re passionate about quality, about delivering a brilliant, personal service to each and every one of our customers, and providing breathtakingly beautiful windows, doors, conservatories and more. Through over 40 years industry experience, our team are experts in the design, manufacture and installation of a huge range of glazing and roofing products.

In-House Manufacturing

We’re proud to be able to say that all our products are manufactured in house at our premises in Cosby, where we utilise the latest technology to bring you the most aesthetically pleasing,
innovative and energy efficient window solutions available today. Our fitting team, fully certified, qualified and affiliated with Fensa, deliver an unrivalled level of customer care, and quality in their workmanship. They’re clean, friendly and efficient, able to carry out work in your home quickly, and with minimal disruption to you, before loading out and leaving you with a beautiful new installation.

Efficiency, Peace of Mind and Quality Guaranteed

From Low-E and Low Iron Glass energy saving technologies, to Warmedge Spacer Bars, RCM
Reinforcement and the use of Argon gas, you can rest assured at GLS, we produce only the
most energy efficient windows, helping to reduce those energy bills. Our friendly, free and
impartial quotations are available on demand, and we ensure company reps who visit
customers do not operate on a commission-based salary, meaning we can provide the best
advice on the solution that’s right for you. We’re as passionate about your peace of mind as we are about brilliant windows.

Call Us Today – 01455 202985 

With commercial and trade options, as well as a domestic service, we offer a truly comprehensive solution for all your glazing, doors, or roofing requirements. Give us a call today to find out more about our services, our company, or how we can install the windows you’ve always dreamt of in your home or premises today.

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