The Catcliffe Glass Cone is a glass cone in the village of Catcliffe in South Yorkshire, England. It is the oldest surviving structure of its type in Western Europe, and it is a Grade I listed building and Scheduled Ancient Monument. Only three other glass cones survive in the United Kingdom; at Lemington, Wordsley and Alloa. The cone was threatened with demolition in the 1960s so the foundations of the other buildings that comprised the glassworks were excavated in 1962. In 1968 the cone received Grade I listing.