No. 1 Grosvenor Square
Apartment building · Mayfair ·

No. 1 Grosvenor Square

Apartment building · Mayfair ·

Historic building luxury apartments, spa, wellness complex

high end finishes
bespoke joinery
high quality
swimming pool
kitchen construction
refurbishment
redevelopment
high quality apartments
No. 1 Grosvenor Square by null
No. 1 Grosvenor Square by null
No. 1 Grosvenor Square by null
No. 1 Grosvenor Square by null
No. 1 Grosvenor Square by null
No. 1 Grosvenor Square by null
No. 1 Grosvenor Square by null

Information

1 Grosvenor Sq, London W1K 4BN, United Kingdom Get directions

Wheelchair accessible entrance

Information

Static Map

1 Grosvenor Sq, London W1K 4BN, United Kingdom Get directions

+44 20 3994 4560
1gsq.com
@lodha_uk

Features

•Wheelchair accessible entrance

Last updated

Dec 15, 2025

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Jamavar Is Behind New Claude Bosi Restaurant Socca in Mayfair | Eater London

"The former American Embassy site, now redeveloped into an ultra‑luxury apartment complex, is being positioned to include a 'world‑class' restaurant; developers have marketed extremely high‑value residences (a penthouse sold for £140 million and smaller units pitched around £14.5 million), and the Nair family's group has been exploring the location as a potential high‑end venue, though no deal had been signed." - James Hansen

https://london.eater.com/2021/8/25/22640835/claude-bosi-new-restaurant-mayfair-1-grosvenor-square-restaurant
No. 1 Grosvenor Square

Sian C.

Google
Upon entering 1GS, it is evident that high end finishes have been meticulously chosen and every detail has been carefully considered in order to create a design that truly emanates luxury. Our team at Cheshire Wellness are honoured to have been involved with a project as prestigious as 1 Grosvenor Square and are extremely proud of the work we carried out within the private residences. We completed the swimming pool and heat experience rooms for the wellness complex and it is regarded as one of our most prominent projects to date.

Neil B.

Google
A fantastic redevelopment of the old Canadian Embassy location providing beautifully designed , high quality apartments in the heart of London. We are very proud to have carried out the full fit out of the Spa and all of the Joinery in the apartments.

Srikanth S.

Google
Buyer beware. Lodha is an unscrupulous developer even by Indian standards. Has short changed unsuspecting buyers in multiple developments across 3 cities in India. Their marketing team ropes in international brands and publishes colourful brochures to conjure up a dream home. But post purchase, you are handed over a non-existent 'customer relations' team and the dream becomes a nightmare.

Lucas

Google
We were incredibly proud to have played a key role in the grand refurbishment of No. 1 Grosvenor Square. The proportions and quality throughout the building were especially impressive and the entire team are honoured to have been a part of it.

Sarah W.

Google
We are incredibly proud to have worked on 1 Grosvenor with Lodha. This super prime project aloud us to demonstrate our bespoke joinery capabilities working with some of the best in the industry.

Mark G.

Google
Everyone at CIE plc that has been involved in the implementation of its kitchen construction package is proud to have delivered a product befitting such a high class, prestigious project at this landmark postcode.

MILAN Z.

Google
High end luxury living in central London. Top of the line property in billionaires row.

Valerijus K.

Google
Most of marble stairs been done by me :)