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Bespoke Aluminium Windows and Doors By Coluxor
Timber Casement Windows
Our traditional casement flush windows have great aesthetic merit. In addition to that, their careful design pledges to keep every home wonderfully warm, quiet, and extra safe. Excellent thermal and weather performance is guaranteed. Our challenge was to make casement windows that look simple but are very sophisticated. Hidden away is modern technology – warp-resistant timber, Secured by Design locks engage in multiple points around the perimeter of every opening, ventilation grooves, drainage channels, and glazing units which lose much less of the heat in comparison with ordinary windows.
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Double glazed timber sash windows with a 1.2 U-value
Our double-glazed wooden sash windows are up to 25% better than the new Part L 2022 building regulations, with U-values starting from 1.2 W/m²K.
We also offer triple-glazed and quadruple-glazed sash windows that are up to 50% and 70% better, with U-values starting from 0.8W/m²K and 0.6W/m2K.
Sliding Sash Window Features
Totally Bespoke
At Coluxor, we employ advanced technologies to seamlessly merge the finest qualities of traditional window designs with modern solutions. Our windows are available in spring and lead-balanced varieties. Irrespective of your choice, our London-based company ensures that all our products are manufactured using the highest quality softwood and hardwood sourced sustainably. The distinctive design of our timber sash or casement windows enables us to achieve an elegant and timeless style while incorporating remarkable, innovative technological features such as draught-proofing, Secured by Design fasteners, and Angel Ventlock®. These elements not only enhance safety but also improve the efficiency of our windows, creating a comfortable environment for your home or establishment.
Choose flush casement windows that don’t cost the earth
Our flush casement windows are naturally renewable, carbon neutral, and made from only sustainably sourced FSC 100% certified softwood or hardwood. Our care and attention to our timber before and during the manufacturing process ensures a 50 year+ life span, 10-year warranty, and low maintenance for life.
Replicating original features
Certified noise reducing sash windows
At Coluxor, we employ advanced technologies to seamlessly merge the finest qualities of traditional window designs with modern solutions. Our windows are available in spring and lead-balanced varieties. Irrespective of your choice, our London-based company ensures that all our products are manufactured using the highest quality softwood and hardwood sourced sustainably. The distinctive design of our timber sash or casement windows enables us to achieve an elegant and timeless style while incorporating remarkable, innovative technological features such as draught-proofing, Secured by Design fasteners, and Angel Ventlock®. These elements not only enhance safety but also improve the efficiency of our windows, creating a comfortable environment for your home or establishment.
Why Choose Coluxor?
At Coluxor, we take great pride in providing friendly and professional service from the initial enquiry to the final order and installation. We offer expert guidance for both new construction and renovation projects, including historically significant listed properties, to ensure that your windows and doors not only meet performance standards and U values but also align with your preferred style, design, and color choices.
Add a splash of colour
Handles & locks