Our Data Sources
Flat 32, 15, Portman Square has no recent1 records in the the Land Registry and a single entry in the EPC database dated June 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate Flat 32, 15, Portman Square would be worth £1,721,304, with a potential rental value of £6,302 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,524,584, with a rental value of £5,581 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 32, 15, Portman Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 Jun 2025.
The property is not connected to mains gas and has single glazed windows. It is heated using Community scheme.
Sold Prices
Flat 32, 15, Portman Square last changed hands on 20th September 2002, selling for £500,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold twice since 1995.
- Sold Sep 2002£500,000
- Sold Apr 1999£245,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 51 sales of comparable properties within 320 metres of Flat 32, 15, Portman Square across the last 2 years.
Most recently, Flat 26, 15, Portman Square, London, W1H 6LJ, a leasehold flat, sold at £1,950,000 on the 21st July 2023.
Read more about house prices in W1.
- Sold Jul 2023£1,950,000 | 2 Bed FlatFlat 26, 15, Portman Square, London, W1H 6LJFlat 26, 15, Portman Square, London, W1H 6LJ
- Sold Jul 2017£1,385,000 | 2 Bed FlatFlat 56, 15, Portman Square, London, W1H 6LJFlat 56, 15, Portman Square, London, W1H 6LJ
- Sold Mar 2015£1,820,000 | 2 Bed FlatFlat 33, 15, Portman Square, London, W1H 6LJFlat 33, 15, Portman Square, London, W1H 6LJ
•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 32, 15, Portman Square as the 194th largest and the 150th most expensive of the 269 addresses on Portman Square, London, W1.
Against the W1 postcode district average, it is £499k less expensive than the typical property.
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Schools Nearby
- St Vincent's Catholic Primary School300 m away
- Hampden Gurney CofE Primary School600 m away
- St Mary's Bryanston Square CofE School700 m away
- The St Marylebone CofE School700 m away
- Marylebone Boys' School1.5 km away
- Maria Fidelis Catholic School FCJ2.2 km away
More reading links
Public Transport Nearby
- Marble Arch|400 m away
- Bond Street|500 m away
- Bond Street (Elizabeth line)|500 m away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
