Allan Brothers Ltd

Allan Brothers Ltd. is the UK’s longest-established timber window and door manufacturer, proudly based in Berwick-upon-Tweed. The company designs and crafts high-quality, energy-efficient timber and aluminium-clad timber windows and doors, combining traditional craftsmanship with modern performance standards. Serving homeowners, architects, and developers across the UK, Allan Brothers is renowned for its durability, sustainability, and timeless design