Our Data Sources
Flat 8, 15, Portman Square has no records in the the Land Registry and a single entry in the EPC database dated May 2009.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If Flat 8, 15, Portman Square is in very good condition we estimate a sale value of £1,095,550 and a rental value of £4,275 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £970,344 and a rental value of £3,786 per month.
Energy Efficiency
Flat 8, 15, Portman Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 19 May 2009.
The property is connected to mains gas and has single glazed windows. It is heated using Community scheme.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 20 sales of properties similar to Flat 8, 15, Portman Square within a radius of 320 metres over the last 2 years.
The most recent example is 19, Seymour Mews, London, W1H 6BG, a leasehold flat which sold for £972,000 on the 27th March 2025.
Read more about house prices in W1.
- Sold Mar 2025£972,000 | 2 Bed Flat19, Seymour Mews, London, W1H 6BG19, Seymour Mews, London, W1H 6BG
- Sold Nov 2023£1,200,000 | 2 Bed FlatFlat 2, 1, Seymour Street, London, W1H 7JWFlat 2, 1, Seymour Street, London, W1H 7JW
- Sold Mar 2022£507,000 | 1 Bed FlatFlat 57, Fitzhardinge House, Portman Square, London, W1H 6LHFlat 57, Fitzhardinge House, Portman Square, London, W1H 6LH
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Portman Square, London, W1 has a total of 269 addresses. According to our analysis of all the public data, Flat 8, 15, Portman Square is the 256th largest and the 227th most expensive property on the street.
When compared to the postcode district it is £1.095m less expensive than the average property in W1.
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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
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Public Transport Nearby
- Marble Arch|400 m away
- Bond Street|500 m away
- Bond Street (Elizabeth line)|500 m away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
