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Our core range — durable, efficient, and versatile opening windows.
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Casement Windows
Casement windows are the UK's most popular window style for a reason. Hinged at the side or top, they open outwards to catch fresh air easily and close securely against draft seals. At Lux Windows, we engineer our casement windows with high-grade PVC (our core specialty) or premium slimline aluminium, delivering exceptional security and A+ thermal ratings as standard.
Standard family homes, general renovations, and matching existing styles.
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Engineered for premium performance and complete peace of mind
Multi-chambered profile traps heat, saving on heating bills.
Secured by Design locking systems keep intruders out.
Simple wipe-clean frames require no sanding or painting.
Double weather-seals provide complete protection from UK storms.
Approved Installer
Consumer Protection
Full Warranty
Insurance-Backed Cover
We specialize in both high-grade PVC (our core product) and architectural-grade aluminium. Whether you seek traditional warmth or modern slimline designs, we have the ideal material configuration for your project.
Our primary focus. Incredibly cost-effective, virtually maintenance-free, and delivers class-leading energy ratings to keep heating bills low.
Strong, lightweight, and features ultra-slim sightlines. Ideal for large glass apertures, bi-folds, and contemporary architectural properties.
No obligation, no pressure
Products suited to your home and budget
FENSA & IWA approved certified fitters
10-year and insurance-backed cover

Traditional timber-style aesthetics with modern maintenance-free performance.
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Smart European design offering versatile ventilation and easy cleaning.
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Add extra light, character, and physical space to your living areas.
View detailsContact our FENSA-certified team today. We offer expert advice, bespoke design recommendations, and accurate, transparent quotes tailored to your budget.
FENSA & IWA APPROVED · 10-YEAR INSURANCE-BACKED WARRANTY