Danish architecture firm 3XN has revealed renderings of its designs for the new Olympic Headquarters in Lausanne, Switzerland.

3XN was chosen to design the International Olympic Committee’s (IOC’s) new base in April 2014 following an international competition.

The practice fought off eleven other high-profile outfits to win the competition. These included London-based Amanda Levete Architects, New Yorkers OMA, Diller Scofidio and Renfro, to name a few.

Called ‘Olympic Unity House’, the scheme will be built next to the IOC’s iconic home, Château de Vidy, on the shores of Lake Geneva. It will provide a main base for all 600 staff, who are currently spread across several different sites.

Senior partner at 3XN, Jan Ammundsen, commented: "In recognition of the symbolism of the Games and needs of the organisation, we designed the new IOC headquarters around three key elements, movement, flexibility and sustainability.”

With sustainability at the forefront of the design, the new building, occupying a 24,000sq m (259,000sq ft) site, will have energy efficient features such as a lake water pumping system, photovoltaics and daylight optimisation.