Flat 3, 21
Flat 3, 21
Description & Estimates
Public records show Flat 3, 21, Belsize Avenue to be a period leasehold apartment with 548 ft2 of internal area.
In this area, apartments of this size normally have 2 bedrooms.
Flat 3, 21, Belsize Avenue has an estimated sale value of £536,565 and an estimated rental value of £2,514 per month, assuming reasonable condition and based on the information available.
The apartment sits within 21, Belsize Avenue, London, NW3.
Belsize Avenue, London, NW3 lies in the borough of Camden, within the NW3 postal district.
Our Data Sources
Flat 3, 21, Belsize Avenue has a single entry in the Land Registry from March 2025 and a single entry in the EPC database dated January 2020.
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
In very good condition, we estimate Flat 3, 21, Belsize Avenue would be worth £563,393, with a potential rental value of £2,639 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £499,006, with a rental value of £2,338 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of Flat 3, 21, Belsize Avenue has fallen by £4,232 (0.8%) over the last year. During the same period, its estimated monthly rental value has moved up by £179 (7.1%). The property's estimated gross yield is currently 5.6%.
Energy Efficiency
Flat 3, 21, Belsize Avenue has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 08 Jan 2020.
The property is connected to mains gas and has single glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
Flat 3, 21, Belsize Avenue last changed hands on 19th March 2025, selling for £550,000. The transaction was logged as a leasehold flat by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 9.3% since March 2025.
- Sold Mar 2025£550,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 270 metres of Flat 3, 21, Belsize Avenue across the last 2 years.
Most recently, Flat 3, 49, Belsize Avenue, London, NW3 4BN, a leasehold flat, sold at £580,000 on the 18th February 2025.
Read more about house prices in NW3.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks Flat 3, 21, Belsize Avenue as the 303rd largest and the 319th most expensive of the 446 addresses on Belsize Avenue, London, NW3.
Against the NW3 postcode district average, it is £788k less expensive than the typical property.
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Schools Nearby
- 400mRosary Catholic Primary School
- 600mFitzjohn's Primary School
- 600mHoly Trinity CofE Primary School, NW3
- 900mThe UCL Academy
- 1.3kmHaverstock School
- 1.4kmHarris Academy St John's Wood
More reading links
Public Transport Nearby
Belsize Park station is the nearest stop to Flat 3, 21, Belsize Avenue at 400 metres away.
- 400mBelsize Park
- 700mFinchley Road
- 700mHampstead Heath
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.
