Our Data Sources
Flat 1, 16, Belsize Avenue has 61 entries in the Land Registry , most recently in March 2014 and a single entry in the EPC database dated March 2010.
We combine this information with that 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 1, 16, Belsize Avenue, we estimate a market value of £555,939 and a rental value of £2,147 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £492,403 and £1,902 per month respectively.
Energy Efficiency
Flat 1, 16, Belsize Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 31 Mar 2010.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of Flat 1, 16, Belsize Avenue completed on 7th March 2014 at £525,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold 6 times.
Values of comparable properties have dropped by 9.1% over the period since March 2014.
- Sold Mar 2014£525,000
- Sold Apr 2007£310,000
- Sold May 2005£249,999
Similar Properties Sold Nearby
Over the past 2 years 38 properties similar to Flat 1, 16, Belsize Avenue have sold within a radius of 270 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 5th December 2025, was Flat 2, 22, Belsize Avenue, London, NW3 4AU, a leasehold flat which sold for £545,000.
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 Jul 2023£525,000 | 1 Bed FlatFlat 5, 5, Belsize Avenue, London, NW3 4BLFlat 5, 5, Belsize Avenue, London, NW3 4BL
- 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
Over the past 2 years our Estate Agent network has recorded 2 lets within 270 metres of Flat 1, 16, Belsize Avenue.
The latest, in February 2025, was 3B , Lancaster Drive, London, NW3 4EY, a leasehold flat let by Fine Living.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Of the 446 addresses on Belsize Avenue, London, NW3, Flat 1, 16, Belsize Avenue comes out as the 362nd largest and the 320th most expensive in our analysis of the public data.
It is also £792k less expensive than the average property across the NW3 district.
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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












