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W1K 4AB

No.1 Grosvenor Square, Mayfair, London, W1K 4AB

£9,250,000
Not valued
2 Beds
2 Baths
135 m² Floor area
Type Flat
Listed 11 Sep 2026
Price per m² £68,519 / m²

This expansive residence offers two bedrooms over 1,448 sq ft of luxury living space. Grosvenor Square benefits from private elevator access with biometric security. The professional-grade kitchen and dining room offer ease and privacy for home entertaining. The Principal suite and second bedroom offer built-in wardrobes and bespoke marble en-suites.

Bespoke finishes include:

• Solid walnut doors with bespoke ironmongery
• Italian marble stone worktops & splashbacks in the kitchen
• White truffle marble stone throughout bathrooms with Kallista brassware
• Integrated Sub-Zero & Wolf appliances to kitchen

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No.1 Grosvenor Square is situated in the heart of Mayfair, moments from some of London’s finest boutiques, five-star hotels and private members’ clubs, including The Connaught, Claridge’s, Annabel’s and Scott’s on Mount Street. The development enjoys views over the green spaces of Grosvenor Square and is also a short walk from Hyde Park.

No.1 Grosvenor is designed by Eric Parry Architects and renowned interior designer, Yabu Pushelberg.

Key features include:

• Discreet and private car entrance with residents’ lobby, accessed via Grosvenor Street
• Valet operated automated parking system to safely store and retrieve vehicles
• 24-hour concierge service, Saint Amand, managed by one of the world’s leading hoteliers
• Embassy-level security throughout, including biometric access
• Underground parking with around-the-clock valet service

Residents will enjoy access to a private wellness floor and bespoke health services, including:

• Partnership with leading health practitioners to advise on mental and physical well-being
• Bespoke wellness services, including nutritional and medical advice
• Gym and private training studio
• 25-metre swimming pool and vitality pools
• Spa and sauna facilities including private treatment rooms
• Residents’ members' club with cinema and business suite

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*Price is inclusive of furniture


No. 1 Grosvenor Square is situated in the heart of Mayfair and moments away from London's Hyde Park. The property is surrounded by the best of London's shops and restaurants, and is less than 0.5 mile to Green Park Tube Station.

How the asking price has moved

Sep 2026
£9,250,000
Listed at original asking price

Prices, costs and transport nearby

What homes within 400 m sold for since Nov 2023, by type. Source: HM Land Registry.

Type Median Middle 80%
Flat This home
Median
53 sales
Terraced
Median
3 sales
Semi-Detached
Median
1 sale
Detached
Median
1 sale

Most recent sales

Address Sold price Date Type
5A MOUNT STREET, W1K 3NE £6,400,000 Jun 2026 Flat
Flat 6, 17, 17 THREE KINGS YARD, W1K 4JT £3,950,000 Jun 2026 Flat
9 MOUNT ROW, W1K 3RG £10,300,000 Nov 2025 Terraced
Flat 6, 21, 21 DAVIES STREET, W1K 3DE £5,250,000 Jun 2025 Flat
Flat 9, 47, 47 GROSVENOR SQUARE, W1K 2HS £5,750,000 May 2025 Flat
Flat 9, CLARIDGE HOUSE, 32 DAVIES STREET, W1K 4ND £3,400,000 Dec 2024 Flat
Flat 11, CLARIDGE HOUSE, 32 DAVIES STREET, W1K 4ND £4,500,000 Dec 2024 Flat
Flat 3, 4, 4 MOUNT STREET, W1K 3ND £5,347,500 Nov 2024 Flat
Flat 6, 5, 5 GROSVENOR SQUARE, W1K 4AF £9,150,000 Oct 2024 Flat
Flat 15, 15, 15 GROSVENOR SQUARE, W1K 6LD £19,750,000 Sep 2024 Flat
Flat 11, 47, 47 GROSVENOR SQUARE, W1K 2HS £7,850,000 Aug 2024 Flat
Flat 1, 11, 11 MOUNT STREET, W1K 2RB £12,000,000 Aug 2024 Flat
Flat 3, THE MANOR, 10 DAVIES STREET, W1K 3DU £6,900,000 Aug 2024 Flat
Flat B, 87, 87 DUKE STREET, W1K 5PQ £1,170,800 Mar 2024 Flat
Flat 3, 17, 17 GROSVENOR SQUARE, W1K 6LB £6,600,000 Mar 2024 Flat
Source: HM Land Registry · within 200 m · most recent first

No.1 Grosvenor Square, Mayfair, London, W1K 4AB

We don't have enough nearby Land Registry sales matched to EPC floor-area data for this postcode and property type to calculate a fair price estimate. All other details are still available.

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About this valuation

Fair price calculated from HM Land Registry sold prices in the same postcode area, adjusted by the UK House Price Index, and multiplied by the EPC-declared floor area of 135 m². Updated daily.

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