Our Data Sources
Flat 12, 33, Grosvenor Square has a single entry in the Land Registry from January 2015 and a single entry in the EPC database dated September 2014.
We combine this information with that 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
In very good condition, we estimate Flat 12, 33, Grosvenor Square would be worth £3,663,809, with a potential rental value of £9,337 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £3,245,088, with a rental value of £8,270 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 12, 33, Grosvenor Square has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Sep 2014.
The property is not connected to mains gas and has some secondary glazing. It is heated using Electric underfloor heating.
Sold Prices
Flat 12, 33, Grosvenor Square last changed hands on 12th January 2015, selling for £5,800,000. The transaction was logged as a leasehold flat by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 39.3% since January 2015.
- Sold Jan 2015£5,800,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 330 metres of Flat 12, 33, Grosvenor Square across the last 2 years.
Most recently, Flat E, Audley Mansions 44, Mount Street, London, W1K 2RY, a leasehold flat, sold at £3,650,000 on the 1st October 2025.
Read more about house prices in W1.
- Sold Oct 2025£3,650,000 | 3 Bed FlatFlat E, Audley Mansions 44, Mount Street, London, W1K 2RYFlat E, Audley Mansions 44, Mount Street, London, W1K 2RY
- Sold May 2023£4,000,000 | 3 Bed FlatFlat 10, 50, South Audley Street, London, W1K 2QEFlat 10, 50, South Audley Street, London, W1K 2QE
- Sold Mar 2021£4,150,000 | 3 Bed FlatFlat 1, 12-14, Reeves Mews, London, W1K 2EGFlat 1, 12-14, Reeves Mews, London, W1K 2EG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks Flat 12, 33, Grosvenor Square as the 217th largest and the 232nd most expensive of the 273 addresses on Grosvenor Square, London, W1.
Against the W1 postcode district average, it is £1.381m more expensive than the typical property.
More reading links
Schools Nearby
- 300mSt George's Hanover Square CofE Primary School
- 900mSt Vincent's Catholic Primary School
- 1.1kmHampden Gurney CofE Primary School
- 1.3kmThe St Marylebone CofE School
- 1.7kmWestminster City School
- 1.9kmMarylebone Boys' School
More reading links
Public Transport Nearby
- 500mBond Street (Elizabeth line)
- 500mBond Street
- 500mMarble Arch
Available Internet Speeds
Ofcom's latest figures show poor internet coverage in this area, which may mean weak or no connectivity.
According to recent data from Ofcom, Slow/none broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.












