The Olympic Stadium in Olympic Park, London, England, is designed to be the centrepiece of the 2012 Summer Olympics, and the venue of the athletic events as well as the Olympic Games’ opening and closing ceremonies.
It is located at Marshgate Lane in London’s Stratford district in the Lower Lea Valley and has capacity for the games of approximately 80,000 making it temporarily the third-largest stadium in Britain behind Wembley Stadium and Twickenham Stadium.
The architect,Populous, is an architectural firm specialising in the design of sports facilities and convention centres, as well as planning of major special events. Construction took four years from 2007 to 2011.
As an unique 80,000-seat stadium, it will be the centrepiece for the 2012 Games, hosting the opening and closing ceremonies and the athletics events, converting down to a 60,000-seat permanent stadium after the games. It has a dismountable roof.
Buro Happold are the structural engineers while the construction contractors are M/s Sir Robert McAlpine Ltd, The cost of the 2012 Olympic stadium is 486 million pounds ($ 754 million or Rs 4205 crores)