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One of the World's Most Sustainable Buildings


The Crystal is home to the world’s largest exhibition on the future of cities, the world’s most sustainable events venue, and office space for global engineering powerhouse Siemens.

Siemens opened the Crystal in 2012 as a global hub for debate on sustainable living and development. Since opening, over 100,000 people each year have visited the interactive exhibition; thousands of meetings and events have been hosted in our sustainable events venue, and numerous major projects have been undertaken in the Siemens office on-site.

The Crystal sets the benchmark for sustainable building design. It is the only building in the world to achieve the highest certification in both the BREEAM and LEED schemes, as well as many other accreditations. Siemens technologies throughout the building ensure the highest energy efficiency and CO2 standards are met.

Due to its innovative architecture and technology the Crystal is one of the world’s most sustainable buildings, achieving Outstanding BREEAM accreditation and Platinum LEED accreditation – the most stringent standards for sustainable design and construction.

Designed by award-winning architects Wilkinson Eyre, this iconic sustainable building draws inspiration from the many sides of a crystal. The external shape of the building creates unique internal spaces, including an auditorium, conference facilities, meeting rooms and office spaces. With its waterside location on London’s Royal Docks, the Crystal architecture provides a striking contrast to the surrounding skyline, the O₂, Canary Wharf and the Emirates Airline Cable Car that passes by.

The Crystal is an all-electric building that uses solar power and a ground source heat pump to generate its own energy. It showcases state-of-the-art technologies to make buildings more efficient and also profiles Siemens’ Environmental Portfolio. The building incorporates rainwater harvesting, black water treatment, solar heating and automated building management systems.

Natural light Triple glazed windows allow in 70% of natural light... ...but only 30% of solar energy,
ensuring the building doesn’t overheat.
Sustainable transport 2 minute walk from the DLR station 15 e-vehicle charging points 66 bike parking spaces
Water Rainwater is collected
from the roof and stored
in a 30m³ under-
ground storage tank.
80% of hot water is
heated by solar thermal
heating and ground
source heat pumps.
100% of WC flushing water
is taken from our non-potable sources.
Electricity 20% of electricity is
produced by solar panels.
CO₂ emissions for the Siemens offices
are 70% lower than in the average
office building in London.
The Crystal is a 100% electric building.
Heating & cooling By using 100% natural heat sources, the Crystal heating bill is £0. No fossil fuels
are used on site
199 groundsource pipes totaling 17km in length and reaching as deep as 150m heat and cool the building.
Smart building Over 3,500 data points ensure all
systems function as effectively as possible.
Siemens Building Management System
in the of the building.
Data on energy and water consumption is presented live
in the Crystal exhibition and refreshed every 15 minutes.

Learn more about the sustainability features of the Crystal in our PDF


The Crystal Books

Virtual Tour