Blairs Windows & Doors

For over 110 years, Blairs Windows & Doors has been at the forefront of UK window and door manufacturing. Blairs Timber and PVCu are based in Greenock, specialising in providing high-performance, bespoke glazing solutions for architects, developers, and trade partners across the UK. Our Timber division is renowned for its Heritage Sash and Case windows, combining 1913 craftsmanship with modern thermal efficiency and U-value requirements. We offer a full range of bespoke timber windows and doors, including our innovative Double Swing and Dual Turn systems, all engineered for PAS 24 security and long-term durability. At Blairs, we blend traditional joinery skills with state-of-the-art Soukup CNC technology to ensure every project meets the highest standards of precision and conservation area compliance. Whether you are looking for support for a large-scale commercial development or a sensitive heritage restoration, Blairs provides the project certainty, technical competency, and British-made quality your project demands. Why Partner with Blairs? 112 Years of Manufacturing Heritage Certified Timber, PVCu, and Aluminium Systems Bespoke Architectural Customisation Rigorous PAS 24 Security & Energy Ratings