Our Data Sources
Flat 3, 15, Belsize Park Gardens has a single entry in the Land Registry from January 2014 and a single entry in the EPC database dated July 2013.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate Flat 3, 15, Belsize Park Gardens would be worth £1,785,145, with a potential rental value of £5,156 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,581,129, with a rental value of £4,567 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 3, 15, Belsize Park Gardens has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 01 Jul 2013.
The property is not connected to mains gas and has partial double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
Flat 3, 15, Belsize Park Gardens last changed hands on 16th January 2014, selling for £1,800,000. 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 12.3% since January 2014.
- Sold Jan 2014£1,800,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 29 sales of comparable properties within 250 metres of Flat 3, 15, Belsize Park Gardens across the last 2 years.
Most recently, 10A, Belsize Park, London, NW3 4ES, a leasehold flat, sold at £2,000,000 on the 17th July 2025.
Read more about house prices in NW3.
- Sold Jul 2025£2,000,000 | 3 Bed Flat10A, Belsize Park, London, NW3 4ES10A, Belsize Park, London, NW3 4ES
- Sold Sep 2024£925,000 | 3 Bed Flat31A, Belsize Lane, London, NW3 5AS31A, Belsize Lane, London, NW3 5AS
- Sold Aug 2023£1,850,000 | 3 Bed FlatFlat 1, 8, Belsize Park Gardens, London, NW3 4LDFlat 1, 8, Belsize Park Gardens, London, NW3 4LD
•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 250 metres of Flat 3, 15, Belsize Park Gardens 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 3, 15, Belsize Park Gardens as the 156th largest and the 94th most expensive of the 540 addresses on Belsize Park Gardens, London, NW3.
Against the NW3 postcode district average, it is £379k more expensive than the typical property.
More reading links
Schools Nearby
- Rosary Catholic Primary School500 m away
- Holy Trinity CofE Primary School, NW3600 m away
- Fitzjohn's Primary School800 m away
- The UCL Academy700 m away
- Haverstock School1.2 km away
- Harris Academy St John's Wood1.2 km away
More reading links
Public Transport Nearby
- Belsize Park|400 m away
- Swiss Cottage|600 m away
- Finchley Road|700 m away
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.
