Our Data Sources
17E, Belsize Square has no records in the Land Registry and a single entry in the EPC database dated September 2022.
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 17E, Belsize Square is in very good condition we estimate a sale value of £799,840 and a rental value of £2,626 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £708,429 and a rental value of £2,326 per month.
Energy Efficiency
17E, Belsize Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Sep 2022.
The property is connected to mains gas and has single glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 80 sales of properties similar to 17E, Belsize Square within a radius of 270 metres since 2015.
The most recent example is 18E , Belsize Park, London, NW3 4DU, a leasehold flat which sold for £725,000 on the 4th July 2025.
Read more about house prices in NW3.
- Sold Jul 2025£725,000 | 2 Bed Flat18E , Belsize Park, London, NW3 4DU18E , Belsize Park, London, NW3 4DU
- Sold Jul 2025£845,000 | 2 Bed Flat25G , Belsize Park Gardens, London, NW3 4JH25G , Belsize Park Gardens, London, NW3 4JH
- Sold Mar 2025£475,000 | 2 Bed FlatFlat 3, 28, Belsize Park Gardens, London, NW3 4LHFlat 3, 28, Belsize Park Gardens, London, NW3 4LH
- Sold Feb 2025£880,000 | 2 Bed Flat25D , Belsize Park Gardens, London, NW3 4JH25D , Belsize Park Gardens, London, NW3 4JH
- Sold Jan 2025£589,995 | 2 Bed FlatFlat 7, 6, Lancaster Drive, London, NW3 4HAFlat 7, 6, Lancaster Drive, London, NW3 4HA
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Similar Properties Let Nearby
Our network of Estate Agents reports 1 let of a property similar to 17E, Belsize Square within a radius of 270 metres over the last 2 years.
Most recently, 3A , Lancaster Drive, London, NW3 4EY, a leasehold flat, was let by Fine Living in March 2024.
- Let agreed Mar 2024£ Undisclosed | 1 Bed Flat3A , Lancaster Drive, London, NW3 4EY3A , Lancaster Drive, London, NW3 4EY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Explore Nearby Properties
The surrounding properties have an average estimated value of £1,654,336, ranging from £506,393 to £5,911,653.
- 17B Belsize Square
3 Bed Flat | 0 m | Est. Value: £1,172,565
- 17A Belsize Square
3 Bed Flat | 0 m | Est. Value: £1,463,118
- 17D Belsize Square
3 Bed Flat | 0 m | Est. Value: £1,240,064
- Flat 1, 18 Belsize Square
3 Bed Flat | 4 m | Est. Value: £1,262,525
- Flat 3, 18 Belsize Square
3 Bed Flat | 4 m | Est. Value: £1,637,047
Location Comparison
Belsize Square, London, NW3 has a total of 264 addresses. According to our analysis of all the public data, 17E, Belsize Square is the 171st largest and the 148th most expensive property on the street.
When compared to the postcode district it is £564k less expensive than the average property in NW3.
More reading links
Schools Nearby
- Holy Trinity CofE Primary School, NW3500 m away
- Rosary Catholic Primary School600 m away
- St Paul's Church of England Primary School800 m away
- The UCL Academy600 m away
- Harris Academy St John's Wood1.1 km away
- Haverstock School1.2 km away
More reading links
Public Transport Nearby
- Swiss Cottage|500 m away
- Belsize Park|600 m away
- Finchley Road|600 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 available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












