1/8
£20,000,000
7 beds · 6 baths
Grosvenor Square, Mayfair
0.01 miles
away
Share_of_freehold
Added on 28/07/2025 
1/16
1/16
£22,000,000
Asking price 5 bed flat for sale Grosvenor Square, Mayfair, London, W1K
5
beds Apartment
Added on 24/02/2026
About this property
Rare Lateral Apartment on Grosvenor Square
Set on the fifth floor of a distinguished building on Grosvenor Square, this remarkable lateral apartment extends to over 5,000 sq ft and represents a rare opportunity to acquire one of Mayfair's most impressive homes. Beautifully refurbished and designed with a flowing floor plan, the apartment balances grandeur with liveability, making it perfectly suited for both entertaining and everyday life.
- Property type
- Apartment
- Bedrooms
- 5
- Floor area
- 5,023 sq ft
- Tenure
- Ask agent
- Council tax band
- Ask agent
- Postcode
- W1K 2HT
- Listed
- 24 Feb 2026
Key features
- Balcony
- Built in Wardrobes
- Built in Kitchen Appliances
- Lift
- Marble Finishings
- Wooden Floors
- AC
- Bar
- Excellent Condition
- Comfort Cooling
Floorplan
Price guide
This home
£4,380 / sq ft
Area average (sold)
£2,846 / sq ft
Price per area, sold homes nearby
£1,723 / sq ft
£4,380 / sq ft
£4,685 / sq ft
Lowest
This home
Highest
£4,380 per sq ft — above the middle of recent sales in W1K (£1,723–£4,685, 10th–90th percentile, 42 sales over 24 months).
Lowest and highest are the 10th and 90th percentiles of 42 homes sold in W1K over the last 24 months. This home's figure uses its asking price. All sold £/sq ft in W1K →
Location
Grosvenor Square, Mayfair, London, W1K, W1K 2HT
Sold prices in W1K 2HT
HM Land Registry sales in W1K 2HT. Floor areas from Energy Performance Certificates where matched.
| Address | Type | Sold | Size | Size | £/sq ft | Price |
|---|---|---|---|---|---|---|
| Flat 2, 48, Grosvenor Square Flat / maisonette | Flat / maisonette | Jul 2013 | 1,808 sq ft £2,433/sq ft | 1,808 sq ft | £2,433 | £4,400,000 |
| Flat 12a, 48, Grosvenor Square Flat / maisonette | Flat / maisonette | Jan 2011 | 1,216 sq ft £1,110/sq ft | 1,216 sq ft | £1,110 | £1,350,000 |
| Flat 1, 48, Grosvenor Square Flat / maisonette | Flat / maisonette | Jun 2006 | 786 sq ft £1,432/sq ft | 786 sq ft | £1,432 | £1,125,000 |
| Flat 1, 48, Grosvenor Square Flat / maisonette | Flat / maisonette | Jun 2002 | 786 sq ft £624/sq ft | 786 sq ft | £624 | £490,000 |
| Flat 6, 48, Grosvenor Square Flat / maisonette | Flat / maisonette | Jun 1999 | — | — | — | £915,000 |
| Flat 8, 48, Grosvenor Square Flat / maisonette | Flat / maisonette | Apr 1998 | — | — | — | £1,025,000 |
| Flat 12, 48, Grosvenor Square Flat / maisonette | Flat / maisonette | Dec 1997 | 1,184 sq ft £389/sq ft | 1,184 sq ft | £389 | £460,000 |
| Basement Flat, 48, Grosvenor Square Flat / maisonette | Flat / maisonette | Dec 1997 | 700 sq ft £858/sq ft | 700 sq ft | £858 | £600,000 |
All sales on Grosvenor Square → All sold prices in Westminster →
Area insights
The neighbourhood around this property.
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