UPVC single hung windows feature a fixed top sash and a movable bottom sash, making them easy to operate and space-efficient. They provide excellent ventilation while maintaining a secure, energy-efficient design. Made from durable uPVC material, these windows are low-maintenance, resistant to weathering, and offer great insulation to keep your home comfortable year-round. Perfect for... https://thegreenfortune.com/product-categories/upvc-single-hung-window/