Herzog & de Meuron鈥檚 extension to the Tate Modern has been given the green light by Southwark council

Cabe called it a 鈥渇irst-rate addition to London鈥檚 contemporary architecture鈥 and singled out its 鈥渇ormal and rigorous sustainability strategy鈥. Construction manager for the scheme is Mace and Ramboll Whitbybird is consulting engineer. Construction is set to begin in 2010.