Our Data Sources
Flat 72, 15, Portman Square has no recent1 records in the the Land Registry and a single entry in the EPC database dated August 2017.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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 72, 15, Portman Square, we estimate a market value of £972,445 and a rental value of £4,293 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £861,308 and £3,802 per month respectively.
Energy Efficiency
Flat 72, 15, Portman Square has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 31 Aug 2017.
The property is connected to mains gas and has single glazed windows. It is heated using Room heaters, electric.
Sold Prices
The most recent sale of Flat 72, 15, Portman Square completed on 8th November 2006 at £415,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold twice.
- Sold Nov 2006£415,000
- Sold Dec 2003£310,000
Similar Properties Sold Nearby
Over the past 2 years 34 properties similar to Flat 72, 15, Portman Square have sold within a radius of 320 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 3rd September 2025, was Flat 25, Wigmore Court 120, Wigmore Street, London, W1U 3RU, a leasehold flat which sold for £750,000.
Read more about house prices in W1.
- Sold Sep 2025£750,000 | 2 Bed FlatFlat 25, Wigmore Court 120, Wigmore Street, London, W1U 3RUFlat 25, Wigmore Court 120, Wigmore Street, London, W1U 3RU
- Sold Nov 2023£1,200,000 | 2 Bed FlatFlat 96, 15, Portman Square, London, W1H 6LLFlat 96, 15, Portman Square, London, W1H 6LL
- Sold Mar 2021£1,350,000 | 2 Bed FlatFlat 101, 15, Portman Square, London, W1H 6LLFlat 101, 15, Portman Square, London, W1H 6LL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 269 addresses on Portman Square, London, W1, Flat 72, 15, Portman Square comes out as the 235th largest and the 256th most expensive in our analysis of the public data.
It is also £1.212m less expensive than the average property across the W1 district.
More reading links
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
Internet coverage here is poor, based on recent Ofcom data, and connectivity may be weak or unavailable.
According to recent data from Ofcom, Slow/none Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












