English: Kew Herbarium, Library, Art and Archives Wing. Completed 2009. It is climate-controlled, consisting of a reading room, archives, research rooms and offices on the top floor.

The elevations are composed of brick, cedar and pale bronze aluminium curtain wall. The brick cladding is continued in the interior along with concrete and white plastered walls. There is a concrete helical staircase and dark stained oak joinery with bronze ironmongery and fittings.

Western Red cedar is used to clad the curving forms of the offices, reception, seminar and reading rooms. The cedar will silver over time to complement the red bricks.