UPVC Windows are one of the most popular and reliable choices for UK homes — offering exceptional insulation, robust security and stylish versatility at an affordable cost. At Paragon Windows, our UPVC window systems are engineered for long-term performance, featuring advanced multi-chambered profiles, weather-resistant frames and high-quality double glazing. Available in a wide range of colours, finishes and styles, they can seamlessly complement both traditional and modern properties. Whether you’re upgrading old windows or improving your home’s energy rating, our UPVC range provides durability, low maintenance and outstanding value.

Key Benefits:

• 10-year product guarantee for peace of mind and proven long-term durability

• A-rated Window Energy Ratings (WER) as standard, with A+ upgrades available

• Multi-chambered insulated frames for superior thermal efficiency and reduced heat loss

• Secured by Design accredited options for enhanced safety and police-preferred security

• BBA-certified materials independently tested for strength and weather resistance

• Corrosion-resistant hardware ensuring smooth opening, locking and long-lasting performance

• Low-maintenance finish that never rots, peels or requires repainting

• Wide selection of colours, trims, glazing options & accessories to suit any home style