The main public area is the large three storey, wedge plan atrium that bisects the building. Intended as a public space for exhibitions / launches, it is a dramatic top lit space with various vantage points. The cantilevered staircase, and walkways between the two office areas acts as a visual end to the atrium, as beyound this it runs into the canteen area. The lift shaft towards the rear has opague glass panels.

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The heavy beams crossing the atrium serve two purposes: they carry various services across the divide; and they help to break down the sunlight to reduce solar gain.