Enhance your home's energy efficiency and security with the Crystal Casement uPVC Window. This top-opening window features a multi-chambered profile and 28mm double glazing, offering excellent insulation and heat retention to keep your rooms warmer and reduce condensation. Designed for easy maintenance, it includes a secure espag locking mechanism and trickle ventilation for improved airflow. The classic white finish complements any modern home. Key Features: * Double-glazed casement window with clear glass * Top-opening design * A-rated for energy efficiency (1.3 W/m²K) * Secure espag locking mechanism * Trickle ventilation for optimal airflow * Durable and easy-to-clean uPVC construction * Classic white interior and exterior finish * Includes frame, glass, white handle, and cill * Backed by a 10-year manufacturer's warranty Product Summary: Crystal uPVC casement window, top opening, 440mm x 610mm, clear double glazing, white finish, energy-efficient, secure locking, trickle ventilation, includes frame and cill, 10-year warranty.