20x10, second hand RObinson Rosette, three double-pane lifting vents in the roof, six louvre vents in the walls, one side and one side of the roof in twinwall, rest in horticultural glass, old asbestos kickpanes replaced with twinwall too.... It's called "The Ron Jeremy Crystal Palace" ... it might be ugly but it's an impressive erection.. :D photots to phollow....