Prime Sash Windows

Prime Sash Windows specializes in high-quality bespoke timber sash and casement windows, expertly crafted to enhance your home's beauty and energy efficiency. With over a decade of experience, we provide a unique 3D window configurator for instant pricing, ensuring a seamless design process. Our windows are made from premium hardwood, featuring traditional craftsmanship with modern performance, including PAS24 certified security and slimline double glazing. As FENSA registered installers, we offer free site surveys within 25 miles of London. Choose sustainability with our eco-friendly materials and enjoy the timeless elegance of British-made windows that last for decades.