International Windows Group

About International Windows Group

International Windows Group is a London-based specialist in bespoke timber windows and doors, serving Greater London and surrounding areas. The company combines traditional craftsmanship with modern engineering to manufacture and install high-performance timber sash windows, casement windows, and custom timber doors. Each product is made to measure, ensuring architectural precision, thermal efficiency, acoustic insulation, and long-term durability. The company offers a complete service from consultation and precise on-site measurement to professional installation. Their range includes timber sash windows, flush casement windows, tilt & turn systems, French doors, front doors, bifolding doors and single timber doors. International Windows Group focuses on energy-efficient glazing solutions and high-quality joinery, making their products suitable for both heritage properties and modern developments across London.