A Professional Double Glazing Window Company | Prolux

Based in Cornwall, Prolux has a wealth of experience and knowledge when it comes to double glazed windows.

Prolux has a wide variety of uPVC windows, timber windows, and aluminium windows available. No matter your requirements, we’re sure to have something that’s perfect for you and your home. As one of Cornwall’s leading window specialists, we can be relied upon to provide only the very best quality products and services. Whether you’re in need of uPVC sash windows or new double-glazed windows, the Prolux team will be more than happy to support you throughout the entire process.
Prolux Window Example

Bespoke uPVC, Timber and Aluminium Windows

Here at Prolux, we are passionate about quality and customer service excellence, with a demonstrable commitment to supplying exceptional products and installing them with the utmost care every single time.

We have a wide selection of windows for you to choose from so, whether you’re after uPVC windows or double glazing installation, we’ll have the ideal product for you. Our different types of windows each offer their own benefits and features – if you’re unsure which one is the right fit for you, a member of our specialist team will be glad to discuss your options with you.


Our uPVC windows are sourced from Profile 22, one of the finest uPVC suppliers available. These are available in a range of styles and colours and are A-Rated as standard.


Prolux stocks Bereco timber windows in both hardwood and softwood varieties and with a range of coloured finishes available, depending on your preference.


We supply only marine-grade, powder-coated aluminium windows. These products come with a 25-year guarantee (terms and conditions apply).

Two Year Warranty

for all of our windows
Prolux Systems offer a 2 year warranty on all windows installed by us. The warranty covers any faulty products supplied and installed by Prolux Systems to offer you peace of mind when purchasing. For more information feel free to contact us.

I was very happy with the window that was installed by Prolux. The quality of the workmanship was great and the guys were very efficient, courteous and considerate workers.

-- Matthew

Fantastic service from the measuring up right through to the installation, which was done very efficiently. We are so pleased with our new windows. Thank you Prolux Penryn