Why Choose Window Supply Company?

At Window Supply Company, we create bespoke window and door frames from our state-of-the-art manufacturing facility in Livingston, Scotland. We combine new, innovative solutions, with excellent customer service whilst offering superb value for money.
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A+ energy rated
-Window Supply Company’s revolutionary window profiles are far more
thermally efficient than traditional PVCu windows. By removing unnecessary steel reinforcement, instead using the latest in multi-chambered technology, we make sure the heat stays where it belongs – inside your home
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Made in Britain
Fully guaranteed
The Window Supply Company range is designed, manufactured and supported by a team with over 500 years’ experience within the window industry.

Window Supply Company windows are manufactured in our state-of-the-art Livingston factory with the latest CNC machinery supplied by Avantek, Liniars sister company, and part of the Quanex Building Products Group.

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Beautiful Windows &
Doors to suit any home
Window Supply Company coloured foils give the appearance of woodgrain and won’t peel or scratch off – and the whole Liniar range is available in a wide choice of colours with an easy clean, low maintenance finish.
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Our Accreditation

Our products are backed by the highest standards - Window Supply Company windows and doors hold the following accreditation:
Our testimonials

Don’t just take our word for it, see what our customers say about us