Description Complete Ventilation Control with a Twin-Opening Chartwell Green uPVC Window Introduce unmatched versatility, balanced symmetry, and classic British character to your home with our Chartwell Green uPVC window. This unique three-light layout is engineered for maximum functionality, featuring a central section split by a sturdy transom bar. It contains a top-hung vent for secure night-time ventilation, positioned directly above a large side-opening sash for maximum airflow. Two fixed side lights flank the center to frame your outdoor views beautifully. The traditional Chartwell Green finish adds an elegant, heritage-inspired aesthetic to your exterior walls, perfectly mirroring the appearance of painted timber while entirely eliminating the tedious upkeep, sanding, or repainting. Key Product Features & Specifications Our uPVC casement windows are meticulously engineered using premium-grade materials to deliver top-tier efficiency, robust home security, and long-lasting durability. Advanced Energy Efficiency: Keep your living spaces comfortable through every season. Fully compliant with Part L Building Regulations, this window boasts an impressive $1.3 \text{ W/m}^2\text{K}$ U-value utilizing A-rated, Argon-filled 28mm soft-coat Low-E double glazing to prevent heat loss. Weatherproof & Draft-Free Performance: High-performance, patented double-action ‘bubble’ gaskets deliver an airtight seal around both opening frames, keeping the harsh British elements firmly outside. Dual Multi-Point Security: Sleep soundly knowing your home is thoroughly protected. Both opening sashes are equipped with high-security multi-point locking mechanisms, push-button lockable handles, and internal glazing beads to deter forced entry. Low-Maintenance Sculptured Profile: The 70mm multi-chambered uPVC profile features beautifully contoured sculptured edges. It is guaranteed to never rot, peel, or warp, requiring only an occasional wipe down to look like new. Made-to-Measure Dimensions Every window is custom-manufactured to order to match your exact opening sizes: Frame Width (min-max): 415mm – 700mm Frame Height (min-max): 800mm – 2200mm Invest in high-quality, secure, and energy-efficient double glazed uPVC windows today to transform your living space.