Our Data Sources
Flat 9, The Polygon has no recent1 records in the the Land Registry and a single entry in the EPC database dated March 2025.
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
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 9, The Polygon is in very good condition we estimate a sale value of £1,525,328 and a rental value of £4,631 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,351,005 and a rental value of £4,102 per month.
Energy Efficiency
Flat 9, The Polygon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 31 Mar 2025.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Community scheme.
Sold Prices
According to HM Land Registry, Flat 9, The Polygon was last sold on 22nd February 2006 for £135,000 and was recorded as a leasehold flat.
The property has had 2 sales since 1995.
- Sold Feb 2006£135,000
- Sold Oct 2002£817,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 104 sales of properties similar to Flat 9, The Polygon within a radius of 370 metres over the last 2 years.
The most recent example is Flat 15, Wymondham Court, St. Johns Wood Park, London, NW8 6RD, a leasehold flat which sold for £1,800,000 on the 18th June 2025.
Read more about house prices in NW8.
- Sold Jun 2025£1,800,000 | 3 Bed FlatFlat 15, Wymondham Court, St. Johns Wood Park, London, NW8 6RDFlat 15, Wymondham Court, St. Johns Wood Park, London, NW8 6RD
- Sold May 2025£1,585,000 | 3 Bed FlatFlat 8, Sheringham, St. Johns Wood Park, London, NW8 6QXFlat 8, Sheringham, St. Johns Wood Park, London, NW8 6QX
- Sold Nov 2024£1,375,000 | 3 Bed FlatFlat 81, Sheringham, St. Johns Wood Park, London, NW8 6RBFlat 81, Sheringham, St. Johns Wood Park, London, NW8 6RB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Properties Let Nearby
Our network of Estate Agents reports 1 let within 370 metres of Flat 9, The Polygon over the last 2 years.
Most recently, Flat 34, Sherlock Court, Dorman Way, London, NW8 0RU, a leasehold flat, was let by Jorgensen Turner in September 2025.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Avenue Road, London, NW8 has a total of 347 addresses. According to our analysis of all the public data, Flat 9, The Polygon is the 251st largest and the 251st most expensive property on the street.
When compared to the postcode district it is £188k more expensive than the average property in NW8.
More reading links
Schools Nearby
- St Paul's Church of England Primary School700 m away
- Holy Trinity CofE Primary School, NW3700 m away
- St John's Wood Primary School900 m away
- The UCL Academy100 m away
- Harris Academy St John's Wood400 m away
- St George's Catholic School1.3 km away
More reading links
Public Transport Nearby
- Swiss Cottage|300 m away
- South Hampstead|400 m away
- St John's Wood|700 m away
Available Internet Speeds
According to recent data from Ofcom, there is poor internet coverage in this area which may result in poor or no internet connectivity.
According to recent data from Ofcom, Slow/none 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.












