In plan the glasshouse is an ellipse; it is covered with a 5,000m 2domed glass roof supported by a series of twenty-four arches comprising 150 x 248mm T-sections welded to the tops of 323. 9mm diameter CHS tubes. The longest arch spans 54m and rises to 14m above the main floor.
Subscribe to the AJ from £3 per week
For less than the cost of a pint you can have the magazine, iPad edition, full access to TheAJ.co.uk and the amazing AJBuildingsLibrary.co.uk. Subscribe now and experience architecture from a British perspective. The AJ - it's your journal.