WAN's Caroline Stephens considers the aesthetic powers of gridshell structures at Glenn Howells' Savill Building

Glen Howells Architects’ gridshell visitors’ centre at Windsor is a fine example of sustainability, practicality and architectural elegance in one building. The main feature of the building is its larch gridshell roof, which is clad with green oak. Both the larch and the oak are from The Crown Estate’s own sustainable sources from within the Windsor Estate. It was designed in conjunction with