Half of the curtain walling of “the cheesegrater” tower is now complete, with 51% of the structure already pre-leased to companies Aon and Amlin. The Leadenhall Building is owned by British Land and Oxford Properties and is the first UK project for Chinese curtain wall contractor Yuanda and the first major high rise in the UK for Laing O’Rourke.
The design includes a structural steel frame that supports the floors and holds utilities and services. It encloses the fire-fighting cores that serve the office floors and visually anchors the building to the ground. The northern support core is conceived as a detached tower containing all passenger and goods lifts, service risers, on-floor plant and WCs.
The double-glazed façade incorporates the structural frame, vents and controlled blinds that adjust to limit unwanted solar gain and glare. The building is optimally oriented for passive solar heating. Vents inside the high-performance façade allow the outside air to enter and discharge from the cavity.
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