Our Data Sources
Flat 6, 26, Belsize Avenue has 61 entries in the Land Registry , most recently in June 2021 and a single entry in the EPC database dated April 2021.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate Flat 6, 26, Belsize Avenue would be worth £568,093, with a potential rental value of £2,318 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £503,168, with a rental value of £2,053 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 6, 26, Belsize Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 22 Apr 2021.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Community scheme.
Sold Prices
Flat 6, 26, Belsize Avenue last changed hands on 30th June 2021, selling for £531,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold 6 times since 1995.
The market for similar properties has dropped by 17.2% since June 2021.
- Sold Jun 2021£531,000
- Sold Jul 2010£382,500
- Sold Sep 2003£250,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 50 sales of comparable properties within 260 metres of Flat 6, 26, Belsize Avenue across the last 2 years.
Most recently, Flat 2, 22, Belsize Avenue, London, NW3 4AU, a leasehold flat, sold at £545,000 on the 5th December 2025.
Read more about house prices in NW3.
- Sold Dec 2025£545,000 | 1 Bed FlatFlat 2, 22, Belsize Avenue, London, NW3 4AUFlat 2, 22, Belsize Avenue, London, NW3 4AU
- Sold Feb 2025£580,000 | 2 Bed FlatFlat 3, 49, Belsize Avenue, London, NW3 4BNFlat 3, 49, Belsize Avenue, London, NW3 4BN
- Sold Jun 2021£535,000 | 1 Bed FlatFlat 7, 5, Belsize Avenue, London, NW3 4BLFlat 7, 5, Belsize Avenue, London, NW3 4BL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Properties Let Nearby
Agents in our network have reported 2 lettings within 260 metres of Flat 6, 26, Belsize Avenue across the last 2 years.
The newest of these is 3B , Lancaster Drive, London, NW3 4EY, a leasehold flat let by Fine Living in February 2025.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Our analysis of the public data ranks Flat 6, 26, Belsize Avenue as the 331st largest and the 294th most expensive of the 446 addresses on Belsize Avenue, London, NW3.
Against the NW3 postcode district average, it is £780k less expensive than the typical property.
More reading links
Schools Nearby
- Rosary Catholic Primary School400 m away
- Holy Trinity CofE Primary School, NW3600 m away
- Fitzjohn's Primary School600 m away
- The UCL Academy800 m away
- Haverstock School1.2 km away
- Harris Academy St John's Wood1.3 km away
More reading links
Public Transport Nearby
- Belsize Park|400 m away
- Swiss Cottage|700 m away
- Finchley Road|700 m away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
