Our Data Sources
Flat 6, 18, Grosvenor Square has no records in the the Land Registry and a single entry in the EPC database dated August 2023.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For Flat 6, 18, Grosvenor Square, we estimate a market value of £23,686,106 and a rental value of £60,482 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £20,979,122 and £53,570 per month respectively.
Energy Efficiency
Flat 6, 18, Grosvenor Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Aug 2023.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 11 properties similar to Flat 6, 18, Grosvenor Square have sold within a radius of 320 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 7th March 2022, was Apartment 2.3, 1, Grosvenor Square, London, W1K 4BN, a leasehold flat which sold for £26,750,000.
Read more about house prices in W1.
- Sold Mar 2022£26,750,000 | 4 Bed FlatApartment 2.3, 1, Grosvenor Square, London, W1K 4BNApartment 2.3, 1, Grosvenor Square, London, W1K 4BN
- Sold Oct 2021£32,400,000 | 4 Bed FlatApartment 5.02, 20, Grosvenor Square, London, W1K 6USApartment 5.02, 20, Grosvenor Square, London, W1K 6US
- Sold Jan 2021£16,990,000 | 4 Bed FlatApartment 0.02, 20, Grosvenor Square, London, W1K 6USApartment 0.02, 20, Grosvenor Square, London, W1K 6US
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Properties Let Nearby
Over the past 2 years our Estate Agent network has recorded 1 let within 320 metres of Flat 6, 18, Grosvenor Square.
The latest, in June 2025, was Apartment 2.02, 65, Duke Street, London, W1K 5NX, a leasehold flat let by Maplewood Property.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Of the 273 addresses on Grosvenor Square, London, W1, Flat 6, 18, Grosvenor Square comes out as the 36th largest and the 19th most expensive in our analysis of the public data.
It is also £20.42m more expensive than the average property across the W1 district.
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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
The flood risk here is rated Very Low, based on Environment Agency data.












