£9,250,000

Completed 2020
Lodha UK has 3 developments on Homello. Homes in Westminster sold for a median £825,000 over the last year, £1,110 per sq ft; see house prices in Westminster.
No. 1 Grosvenor Square is a flagship Lodha UK development, transforming the former US Embassy and Canadian High Commission into 44 ultra-prime residences. With its restored neo-Georgian façade and interiors by Yabu Pushelberg, it combines Mayfair heritage with world-class contemporary amenities.
Estate agents list 4 homes for sale at No. 1 Grosvenor Square Residences. Agent listings do not say whether a home is new or a resale, so this may be either.
No. 1 Grosvenor Square Residences is a Lodha UK development in Mayfair, London. Lodha UK has 3 developments listed on Homello.
No. 1 Grosvenor Square Residences: completed 2020. Use the enquiry button to check current availability with Lodha UK.
The median sold price in Westminster was £825,000 over the last 12 months (1,761 sales, −8.3% on the year before), or £1,110 per square foot, from HM Land Registry data. The house prices in Westminster page has the trend, prices by property type and every street.
1 Grosvenor Square, Mayfair, London, W1K 4AB
Within half a mile: 536 restaurants and cafes, 26 pubs and bars, 39 takeaways.
Straight-line distances; actual routes will be longer. Stations from NaPTAN, with their lines powered by TfL Open Data; schools from the Department for Education register, with the latest Ofsted signal; supermarkets from Geolytix Retail Points; places to eat from the Food Standards Agency's register of food businesses.
The Westminster neighbourhood around this development.
Sources: HM Land Registry price paid data, Police.uk, Historic England, ONS Census 2021, Ofcom Connected Nations, Environment Agency. Planning offices.

We have not been able to confirm current prices here recently.
Details last confirmed on 19 October 2026.