Our Data Sources
Flat 15, 15, Grosvenor Square has 2 entries in the Land Registry , most recently in September 2024 and a single entry in the EPC database dated March 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate Flat 15, 15, Grosvenor Square would be worth £18,478,140, with a potential rental value of £47,184 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £16,366,353, with a rental value of £41,791 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 15, 15, Grosvenor Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Mar 2024.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Community scheme.
Sold Prices
Flat 15, 15, Grosvenor Square last changed hands on 4th September 2024, selling for £19,750,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 40.6% since September 2024.
- Sold Sep 2024£19,750,000
- Sold Sep 2017£17,000,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 31 sales of comparable properties within 320 metres of Flat 15, 15, Grosvenor Square across the last 2 years.
Most recently, Flat 4, 11, Mount Street, London, W1K 2RB, a leasehold flat, sold at £20,700,000 on the 23rd July 2024.
Read more about house prices in W1.
- Sold Jul 2024£20,700,000 | 4 Bed FlatFlat 4, 11, Mount Street, London, W1K 2RBFlat 4, 11, Mount Street, London, W1K 2RB
- Sold Dec 2023£17,800,000 | 4 Bed FlatApartment 3.05, 20, Grosvenor Square, London, W1K 6USApartment 3.05, 20, Grosvenor Square, London, W1K 6US
- Sold Oct 2021£16,850,000 | 4 Bed FlatFlat 3, 18, Grosvenor Square, London, W1K 6LEFlat 3, 18, Grosvenor Square, London, W1K 6LE
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Properties Let Nearby
Agents in our network have reported 1 letting within 320 metres of Flat 15, 15, Grosvenor Square across the last 2 years.
The newest of these is Apartment 2.02, 65, Duke Street, London, W1K 5NX, a leasehold flat let by Maplewood Property in June 2025.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Our analysis of the public data ranks Flat 15, 15, Grosvenor Square as the 65th largest and the 56th most expensive of the 273 addresses on Grosvenor Square, London, W1.
Against the W1 postcode district average, it is £15.46m more expensive than the typical property.
More reading links
Schools Nearby
- St George's Hanover Square CofE Primary School400 m away
- St Vincent's Catholic Primary School700 m away
- Hampden Gurney CofE Primary School1.0 km away
- The St Marylebone CofE School1.1 km away
- Westminster City School1.8 km away
- Marylebone Boys' School1.9 km away
More reading links
Public Transport Nearby
- Bond Street (Elizabeth line)|300 m away
- Bond Street|300 m away
- Marble Arch|500 m away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












