Our Data Sources
12B, Belsize Park Gardens has 31 entries in the Land Registry , most recently in June 2025 and a single entry in the EPC database dated October 2021.
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 12B, Belsize Park Gardens, we estimate a market value of £948,569 and a rental value of £3,517 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £840,161 and £3,115 per month respectively.
Energy Efficiency
12B, Belsize Park Gardens has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Oct 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and underfloor heating, mains gas.
Sold Prices
The most recent sale of 12B, Belsize Park Gardens completed on 20th June 2025 at £887,500 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 20.2% over the period since June 2025.
- Sold Jun 2025£887,500
- Sold Apr 2000£59,900
- Sold Oct 1999£208,000
Similar Properties Sold Nearby
Over the past 2 years 81 properties similar to 12B, Belsize Park Gardens have sold within a radius of 240 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 28th February 2025, was Flat 3, 5, Belsize Avenue, London, NW3 4BL, a leasehold flat which sold for £1,135,000.
Read more about house prices in NW3.
- Sold Feb 2025£1,135,000 | 2 Bed FlatFlat 3, 5, Belsize Avenue, London, NW3 4BLFlat 3, 5, Belsize Avenue, London, NW3 4BL
- Sold Sep 2024£910,500 | 2 Bed FlatFlat 2, 47, Belsize Square, London, NW3 4HNFlat 2, 47, Belsize Square, London, NW3 4HN
- Sold Jun 2023£935,000 | 2 Bed FlatFlat 9, 28, Belsize Park Gardens, London, NW3 4LHFlat 9, 28, Belsize Park Gardens, London, NW3 4LH
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Similar Properties Let Nearby
Over the past 2 years our Estate Agent network has recorded 1 let of a property comparable to 12B, Belsize Park Gardens, all within 240 metres.
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 540 addresses on Belsize Park Gardens, London, NW3, 12B, Belsize Park Gardens comes out as the 328th largest and the 327th most expensive in our analysis of the public data.
It is also £418k 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, NW3700 m away
- Fitzjohn's Primary School700 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|800 m away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
