Casement Windows

Casement windows supplied by Dauntsey Building Plastics combine excellent performance with extreme durability and longevity. Manufactured using robust materials and modern technology, they are built to last!

Offering a stylish look, our casement windows meet EU and UK legislation and are environmentally-friendly, lead-free and 100% recyclable.

Designed to last, extremely secure and energy efficient, they are also Kitemark approved for extra peace of mind.

Invest in high quality windows and choose a trusted and professional supplier – Dauntsey Building Plastics. Serving Lyneham, Calne, Chippenham, Swindon, Malmesbury and wider Wiltshire area, we are proud to offer quick turnaround times, 10 year guarantee and 100% customer satisfaction!

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Product Colours




Irish Oak


Chartwell Green

Light Grey

Golden Oak


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Why choose Dauntsey Building Plastics

At Dauntsey Building Plastics we offer an excellent range of beautiful and elegant double and triple glazed upvc windows. We take great pride in helping you, our customer choose the right external upvc windows for your home, and we feel that no other upvc window supplier can provide you with a higher standard and specification of upvc windows whilst offering such competitive prices.

Over 20 years experience

We have over 20 years’ experience in the UPVC and Aluminium market.

10-year guarantee

All products are made to order within 7-14 days, and come with a full 10-year guarantee.

Efficient and innovative products

We supply and install the best, most efficient and innovative products the market has to offer.

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French Casement Windows

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What our customers say

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