Our Data Sources
Flat 3, 37, Belsize Avenue has no records in the the Land Registry and a single entry in the EPC database dated June 2017.
We combine this information with public data 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 3, 37, Belsize Avenue would be worth £320,109, with a potential rental value of £974 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £283,525, with a rental value of £863 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 3, 37, Belsize Avenue has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 Jun 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using Community scheme.
Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales within 270 metres of Flat 3, 37, Belsize Avenue across the last 2 years.
Most recently, 35G, Belsize Avenue, London, NW3 4BN, a leasehold flat, sold at £947,500 on the 2nd May 2025.
Read more about house prices in NW3.
- Sold May 2025£947,500 | 3 Bed Flat35G, Belsize Avenue, London, NW3 4BN35G, Belsize Avenue, London, NW3 4BN
- Sold Jun 2021£1,000,000 | 3 Bed Flat39B, Belsize Avenue, London, NW3 4BN39B, Belsize Avenue, London, NW3 4BN
- Sold Jul 2018£830,000 | 2 Bed Flat35C , Belsize Avenue, London, NW3 4BN35C , Belsize Avenue, London, NW3 4BN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks Flat 3, 37, Belsize Avenue as the 401st largest and the 400th most expensive of the 446 addresses on Belsize Avenue, London, NW3.
Against the NW3 postcode district average, it is £1.02m less expensive than the typical property.
More reading links
Schools Nearby
- 200mRosary Catholic Primary School
- 600mFitzjohn's Primary School
- 700mFleet Primary School
- 1.0kmThe UCL Academy
- 1.2kmHaverstock School
- 1.5kmWilliam Ellis School
More reading links
Public Transport Nearby
- 300mBelsize Park
- 600mHampstead Heath
- 900mFinchley Road
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.












