New London Architecture
No.1 Grosvenor Square
Built
Mark Hazeldine
No. 1 Grosvenor Square is a super-prime residential development converting the former Canadian Embassy (MacDonald House) into one of the most prestigious addresses in the world.
Project information
Status
Built
Borough
Westminster
Estimated completion
April 2021
Location
3 Grosvenor Sq, London W1K 4EH, UK
Team Credits
Client
Lodha Developers UK Ltd
Executive Architect
EPR Architects
Planning Architect
Eric Parry Architects
Principal Designer
Gardiner & Theobald LLP
Interior Designer
Yabu Pushelberg
Construction Management Contracts Manager
Mace Limited
Cost Consultant
Arcadis LLP
Listed by
Last updated on
03/02/2026
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