London Box Sash Windows is a family-run business that specialises in the manufacture and installation of high-quality Accoya sash windows in London. We are committed to providing our customers with exceptional products and service, with a reputation for craftsmanship and quality.

Our Accoya windows are made from a sustainable wood that is processed to be rot-resistant, insect-resistant, and dimensionally stable. This makes them an excellent choice for your sash windows.

We offer a wide range of custom-made options, so you can choose the perfect sash windows for your home.