One of the best trade connections you will ever Make

Serving tradesman, architects, and house builders with the very best aluminium and uPVC products, GJB Window Systems are recognised as one of the South East’s most prominent trade fabricators. From our on-site factory in Essex, our manufacturing process is kept efficiently swift and smooth to guarantee our trade partners a punctual, professional service.

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Choose GJB

One of the nations largest suppliers of glazing products


If you’re in need of a reliable trade fabricator, GJB Window Systems makes a great case as being the perfect choice, touting strong partnerships with many of the industry’s recognisable systems companies - Eurocell, Raum, and Solidor just to name a few. Having served installers all over the UK for well over 25 years, as well as our high-quality range of windows, doors, and conservatories, choosing us as your fabricator means having access to our specialised knowledge of the sector.

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Join our network

Becoming a GJB approved installer can help increase sales and improve company reputation

Trade support package

Additional materials and advice for improved sales

Fully Accredited Products

Window and door range that exceeds Building Regulations

Continual innovation

GJB stay at the forefront of innovation with fresh products

RaumTimeless CollectionEurocellResidence CollectionMake it yours

The latest from GJB

Learn more about our company


New faces at GJB

With over 15 years industry experience, including most recently as Technical Sales Manager for Sternfester, Neil Antrobus joins GJB Window Systems as Business Development Manager. GJB was purchased. Read more

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Find out more about our products


Head Office

21 Totman Crescent, Brook Road Industrial Est.,
Rayleigh, Essex, SS6 7UY

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Factory's

6, 21 & 23 Totman Crescent, Brook Road Industrial Est.,
Rayleigh, Essex, SS6 7UY

Facilities: Collections

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