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27 MARCH 2023
Oakley Capital, a pan-European private equity group with longstanding ties to Chelsea will be occupying the building from early next year. The group has signed a green lease and the all-electric building will be powered by renewable energy.
Holbein Gardens is a redevelopment and one storey extension of a 1980s office building near Sloane Square, setting a new benchmark for sustainable workplaces and Grosvenor’s first net zero office development. The project centres on retaining the existing four-storey structure, innovative re-use of materials and the introduction of extensive greening.
Designed by Barr Gazetas, it is the first scheme to apply Grosvenor’s Sustainable Development Brief, which is based on best practice from current certification schemes and Grosvenor’s sustainability targets.
All contractors and advisors on the project have been challenged to help Grosvenor deliver against its goals of net zero carbon, zero waste and a significant biodiversity gain.
As a result, the development of Holbein Gardens saved 59 tonnes of carbon by retaining the façade, the equivalent of 557 return flights from London to Amsterdam, reused 13.5 tonnes of steel, trialled a range of other low embodied carbon products and diverted 99.5% of strip out waste from landfill.
Greening across 11% of the building’s internal area, a 700 sq ft communal roof garden, and two green walls will help to achieve a c200% biodiversity net gain.
The in-use energy efficiency of the all-electric scheme will be enhanced through effective lighting and mechanical equipment, on-site renewable energy generation, saving nearly 500kg CO2 per annum, the equivalent to the carbon footprint of 5,893 plastic bottles, blue roofs and sustainable urban drainage systems.
Holbein Gardens has achieved BREEAM Outstanding, Nabers 4.5* certification and is targeting an EPC A rating.
Anna Bond, Executive Director of Development, Grosvenor said: “Transforming an outdated office building into one of London’s most sustainable office developments has been a hugely rewarding challenge. It’s fantastic to now be able to look to the next stage of its journey.
We're seeing strong demand for highly sustainable, wellbeing-led space as companies prioritise workplaces that can support their staff and customers as well as their business and sustainability aims.”
Knight Frank and Hedge Real Estate acted for Grosvenor. NCM Projects and Newmark acted for Oakley Capital. The rents are not disclosed.
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Grosvenor is an international organisation whose activities span urban property, food and agtech, rural estate management and support for philanthropic initiatives.
We are a values-led business which represents the Grosvenor family and share a common purpose - to deliver lasting commercial, social and environmental benefit - addressing today’s needs while taking responsibility for those of future generations.
With a track record of over 340 years, we work to improve urban property and places in many of the world’s leading cities, promoting sustainability within the built environment and enhancing the wellbeing of customers and communities.
Our UK property business supports c1,000 businesses and tens of thousands of residents and workers across London’s West End each day. We also invest in, create and manage sustainable neighbourhoods in Liverpool and across England. As a 1.5oC aligned company, pioneering change and new ways of thinking about property we aim to ensure our places benefit both people and the planet over the long term.
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