Our Data Sources
Flat 4, 18, Grosvenor Square has no records in the the Land Registry and a single entry in the EPC database dated May 2010.
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 4, 18, Grosvenor Square, we estimate a market value of £18,183,548 and a rental value of £45,555 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £16,105,428 and £40,349 per month respectively.
Energy Efficiency
Flat 4, 18, Grosvenor Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 May 2010.
The property is connected to mains gas and has some secondary glazing. It is heated using Community scheme.
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to Flat 4, 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 4th September 2024, was Flat 15, 15, Grosvenor Square, London, W1K 6LD, a leasehold flat which sold for £19,750,000.
Read more about house prices in W1.
- Sold Sep 2024£19,750,000 | 4 Bed FlatFlat 15, 15, Grosvenor Square, London, W1K 6LDFlat 15, 15, Grosvenor Square, London, W1K 6LD
- 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
Over the past 2 years our Estate Agent network has recorded 1 let within 320 metres of Flat 4, 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 4, 18, Grosvenor Square comes out as the 73rd largest and the 53rd most expensive in our analysis of the public data.
It is also £15.209m more expensive than the average property across the W1 district.
More reading links
Schools Nearby
- 400mSt George's Hanover Square CofE Primary School
- 700mSt Vincent's Catholic Primary School
- 1.0kmHampden Gurney CofE Primary School
- 1.1kmThe St Marylebone CofE School
- 1.8kmWestminster City School
- 1.9kmMarylebone Boys' School
More reading links
Public Transport Nearby
- 300mBond Street (Elizabeth line)
- 300mBond Street
- 500mMarble Arch
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.












