 The architect claimed that the roof is the longest single-span station structure in Europe and the semi-circular structure has a radius of and more than 2,000 triangular roof panels, half of which are glass.Land between and behind Kings Cross and St Pancras stations is being redeveloped as King's Cross Central with around 2,000 new homes, of offices and new roads.In the restoration, refurbished offices have opened on the east side of the station to replace ones lost on the west side, and a new platform, numbered 0, opened underneath them on 20 May 2010.