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London - 51 Lime Street (2005)

Building Type:



Grontmij (Sweco)

Main Contractor:

Mace Group

Mechanical Contractor:

Axima Building Services


The Willis Building is a spectacular 28-story skyscraper positioned directly across the street from Lloyd’s, in the world’s original insurance capital, the City of London.

Designed by world-renowned architects Foster + Partners , The Willis Building’s elegant stepped design and modern glass exterior won the 2007 New City Architecture Award for its unique architectural form and contribution to the streetscape and skyscape of the City of London.

Sweco designed the rainwater harvesting system with support from Aquality Trading & Consulting Ltd.