J.M. Glass’s journey began in the early 2000s when Jim Turnock embarked on a path of craftsmanship in the glazing industry. After practising his craft working alongside experienced glaziers and restoration craftspeople, Jim established J.M. Glass in 2008, specialising in the meticulous restoration and creation of traditional leaded lights, stained glass, and historic windows.

Jim's reputation is built on providing a personal and professional service, with a diverse clientele that includes churches and cathedrals focused on preservation, conservation groups committed to protecting architectural heritage, architects and developers working to achieve historical continuity, and private individuals looking to breathe new life into cherished spaces.