The evening started with a seminar, at which Roger Madelin, joint chief executive of Argent, Kieran Long, editor of The Architects' Journal, Keith Bradley of Feilden Clegg Bradley and Bob West, head of urban design at Camden Council, discussed key issues from the charrette.
That was an event at which 16 up and coming practices were given one day to come up with a proposal for a site.
See the videos of the judges.
the exhibition runs until 16 October.
King's Cross Charrette opening party - see the photo gallery