Onyx Windows LTD

Welcome to Onyx Windows: the ultimate choice for your home. We are a friendly family run windows and door company with the added benefit of offering a total design and build service. With over thirty years’ experience in the industry, we pride ourselves on building and maintaining our reputation, and delivering our customers with high quality, innovative products. Enhance your home with new windows and doors, not only achieving aesthetic improvements but also enhancing energy efficiency and added security.


Why Choose Onyx Windows

Local family business established 2004, FENSA registered & QANW assured, Fully trained installers, Very competitive in the marketplace, A vast range of products and styles available to suit every need


Combining innovative design with advanced manufacturing techniques, our windows and doors have taken UPVc windows to a new level in terms of energy efficiency, sustainability, durability and strength. Offering the best of all worlds – strength and security for peace of mind; stunning looks with its fully sculptured silk-smooth finish; superb energy efficiency with A-Rating as standard and u-Values as low as 0.8 with triple glazing; and are one of the greenest windows on the market thanks to Camden’s recycling capabilities and innovative co-extrusion process.


Not just aesthetics, there is also the practical side. The doors in your home are gateways and portals into and around your home; they let in light and fresh air, they create living spaces within your home and connect you with your outdoor spaces. They give you security, keeping unwanted and determined visitors out.