New U.S. Embassy in Nine Elms, London A new U.S. Embassy, designed by Philadelphia-based architects Kieran Timberlake, is due to open in the Nine Elms area of London Design: 12-storey glass cube stands on raised plinth, set back 30m from surrounding streets Seat wall Benches fixed to concrete slab Ditch: Vehicle barrier hidden in meadow grass Outer envelope Thin sheath of photovoltaic cells.Building nearly self-sufficient in energy Building height: 60m Area: 45,000 sq m Accommodation: 800 staff andup to 1,100 visitors per day Expected cost: $1 billion Completion due: April 2017 Glazing: 15cm-thick blast-resistant facade Internal gardens Six two-storey themed landscapes within building Pond Park: Seating and walkways NINE ELMS LANE RIVER THAMES Proposed bridge Hedge: Conceals line of steeland concrete bollards capable of stopping eight-tonne truck driving head-on at 65km/h River Thames Battersea Park Nine Elms Vauxhall Bridge LONDON Embassy plaza Sources: Kieran Timberlake, Harvard Design Magazine, ASCE, wire agencies © GRAPHIC NEWS