Prism Windows

We are a local company based in Hedge End, Southampton specialising in UPVC manufacturing for retail and trade.

As a company, we manufacture and install Liniar UPVC Windows, Doors and Conservatories and have over 30 years of experience.

All of our windows and doors are made in our own factory with a fast turn around time and amazing customer service.

With Liniar’s lead-free, multi-chambered profile, patented co-extruded bubble gasket, glazing flipper and thermal dam, you don’t need expensive triple glazing to achieve the highest energy ratings – the Liniar system achieves a WER of A+ with ease and a U-value of 1.2 with cost-effective double glazing.

The focal point of any home, residential doors and frames have evolved over the years to offer more to homeowners. Liniar uPVC residential doors are the perfect complement to Liniar windows.

Whether you're looking for somewhere to relax, work or play, we'll have the perfect solution for you.

A Liniar conservatory is delightfully designed for contemporary living and beautiful aesthetics. To make your conservatory more energy efficient, Liniar’s thermal twin-walled top caps have been created to retain more of the heat inside.

e design and manufacture most our products at our factory in Hedge End, so your order is made-to-measure to keep your home safer, quieter and warmer. We are one of the few approved fabricators in the South with licence to manufacture our products from the industry leading uPVC profile Liniar.The extensive range of colour and design options offers you the opportunity to choose durable products that won’t rot, rust or peel and will fit with the design and period of your property.