One of London’s most sustainable office developments gets approval


Grosvenor Britain & Ireland has received planning permission for the total refurbishment and one storey extension of a 1980s office building at Holbein Place in Belgravia.

The designs, which focus on retaining the existing 5 storey structure, re-use of materials and introduction of extensive greening, will result in one of London’s most sustainable office buildings.

An early whole life carbon assessment minimised upfront embodied carbon, meaning the development will meet the LETI Pioneer Project embodied carbon target of 500kgCO2/m2.

This has been achieved through the façade retention and trialling new low embodied carbon products including CEMFREE Concrete, Thermalite aircrete blockwork and reclaimed raised access flooring. Opportunities to recycle steel are being explored and cross-laminated timber will be used in the creation of the extension.

The in-use energy efficiency of the all-electric scheme, which was designed by Barr Gazetas, will be enhanced through effective lighting and mechanical equipment, on-site renewable energy generation, blue roofs and sustainable urban drainage systems.

The scheme will contribute to Grosvenor’s goal for all managed buildings to be net zero operational carbon by 2030 and to increase biodiversity in Mayfair and Belgravia. You can read a short case story about 7 Holbein Place here. 

Commenting Philip George, Project Director, Grosvenor Britain & Ireland said: “We’ve pushed every opportunity to make this a highly sustainable office environment without compromising on comfort, or the experience, of future occupiers.

“We’re proud that this will become GBI’s most sustainable office building and a benchmark for building adaptation and retrofit in London.”

A CGI of the scheme can be downloaded here. 

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About Grosvenor Britain & Ireland


Grosvenor Britain & Ireland creates great places where communities, business and nature thrive. 

In London’s West End, we support 9,000 residents, c1,000 businesses and 50,000 workers every day. We also create and manage sustainable neighbourhoods in London, Liverpool and across the South East of England. 

We are one part of a global, family owned business that has been developing and managing land and property for over 340 years.  Thinking long term allows us to give equal weight to the environmental, social and commercial impact of everything that we do. 

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