This project consists of converting an office building into housing. Our guiding principle is to enhance the existing building by preserving its brickwork and adding exterior timber joinery, thereby celebrating the existing heritage through a low-carbon operation using bio-based materials, timber joinery, Métisse recycled cotton insulation, and an upgraded thermal envelope: repurposing the existing structure significantly reduces energy consumption. A lightweight timber rooftop extension will also be built to facilitate construction and minimize structural load.