The radical shape of the building minimses the surface area (approx 25 per cent less than an equivalent rectangular building). is self shading and the high performance facade ensures excellent energy efficiency.
Electrical consumption: Greatly reduced as a result of using cold ground water instead of refrigeration to air condition the building. Saving use of mains water, the water is extracted through two bore holes from the water table beneath London and is used to coll the building and is then used for flushing the toilets.
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