Welcome To FENSA Find Local Double Glazing Installers

Here at Three Counties, a leading supplier of double glazing in Maidenhead, we pride ourselves on our quality and service. We’re the preferred choice for homeowners looking to enhance their properties with double glazing. Many people find that having double glazed windows makes their life much easier as they no longer have to fumble around for keys or fiddle with window catches in the dark.

Add a contemporary style to any property, with our slimmest profile and range of modern colours. The slim frame and large glass area let more light flood into your home, while aluminium is so strong and robust, it requires very little maintenance. ‘Choices’ Composite doors Sussex from Diamond Glass & Windows have high levels of security, all the authenticity of natural wood with all the benefits modern materials. This is the second time we've used Diamond, they've excelled once again. They employ clean, tidy, careful, polite, friendly and truly conscientious workmen - grafters, who know how to produce a quality finish. We provide Solidors luxury range of solid timber-core Composite Doors with unrivalled security, efficiency and practicality.

One major advantage of our system is that it helps improve the thermal properties of your windows without losing their aesthetic appeal or their original functionality. Many of our customers have original shutters in their listed or period homes. Because we custom design each CosyGlazing installation to work with original features, our integrated sash and casement window options can usually be fitted without the need to adjust original shutters. If you need replacement double glazing units due to damage or you are in need of an upgrade, then look no further than the expertise of our in-house team. Please don’t hesitate to contact our team today for further information or to discuss your double-glazed unit requirements (including toughened glass). Explore our online quoting engine today for a seamless experience in obtaining free and instant quotes for our highly competitive double glazing prices.

Our windows are rated ‘A’ for energy efficiency, so you can be sure that they are thermally efficient. We supply and install high quality, ‘A’ rated, double and triple glazed windows, secondary glazing, doors and conservatories in PVCu, office glazing aluminium and composite, as well as bi-folding doors. We have a huge choice of styles and coloured frame options to choose from.

Available in uPVC or aluminium, exceptional style and performance is always guaranteed regardless of preference. By making our own windows, doors and conservatories, we can guarantee that the products we install are of the very best quality possible. You can choose from energy efficient aluminium, uPVC vs aluminium windows or timber alternative window frames to suit your property. Whether you live in a period property, or you’re looking for a modern finish for your property in West London, our range of PVCu and aluminium windows, doors and conservatories can transform your home. We offer a fantastic selection of double glazed uPVC doors, aluminium doors and composite doors. This means you can create the ideal entry point or even upgrade your existing home to let more light in with our bifold doors or sliding doors.