The transformation of the former US Embassy at 30 Grosvenor Square into The Chancery Rosewood, a new five-star destination in the heart of Mayfair, marks one of London’s most significant hotel redevelopments.
Developed by Qatari Diar Europe, the project reimagines the Grade II listed building – originally designed by Eero Saarinen and sensitively redeveloped by David Chipperfield Architects – into a cultural and hospitality landmark for the city.
Qatari Diar’s ambition has been to revitalise Grosvenor Square by creating a world-class hotel that honours the building’s architectural heritage while introducing a modern guest experience.
Over the past decade, Steer has supported this vision by providing development planning advice across transport, access, and construction logistics. Our work has included Transport Assessments, Construction Logistics Plans, s278 highway design, taxi movement planning and wider delivery strategies, helping ensure proposals were robust, practical and capable of securing consent.
A notable aspect of the scheme was the reopening of the western side of Grosvenor Square to vehicles – an important urban change that restored connectivity in one of Mayfair’s most recognisable public spaces. Steer advised on the associated transport and highway arrangements to help ensure the hotel’s operations integrate smoothly with the surrounding area.
This redevelopment highlights the value of coordinated design, planning and transport input in bringing complex heritage-led schemes forward. Steer’s team – Peter Carver, Matthew Booley, Carl Morrish and Ben Dance – has helped ensure the project sits sensitively and effectively within Westminster’s historic streetscape.
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