Our Data Sources
Flat 12, 28, Belsize Avenue has 51 entries in the Land Registry , most recently in May 2018 and a single entry in the EPC database dated July 2012.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If Flat 12, 28, Belsize Avenue is in very good condition we estimate a sale value of £607,271 and a rental value of £2,213 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £537,869 and a rental value of £1,960 per month.
Energy Efficiency
Flat 12, 28, Belsize Avenue has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 24 Jul 2012.
The property is not connected to mains gas and has single glazed windows. It is heated using Community scheme.
Sold Prices
According to HM Land Registry, Flat 12, 28, Belsize Avenue was last sold on 11th May 2018 for £550,000 and was recorded as a leasehold flat.
The property has had 5 sales since 1995.
Since May 2018, the market for similar properties has dropped by 17.4%.
- Sold May 2018£550,000
- Sold Jul 2007£350,000
- Sold Aug 2002£299,950
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 43 sales of properties similar to Flat 12, 28, Belsize Avenue within a radius of 260 metres over the last 2 years.
The most recent example is Flat 2, 22, Belsize Avenue, London, NW3 4AU, a leasehold flat which sold for £545,000 on the 5th December 2025.
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 Feb 2025£580,000 | 2 Bed FlatFlat 3, 49, Belsize Avenue, London, NW3 4BNFlat 3, 49, Belsize Avenue, London, NW3 4BN
- 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
Our network of Estate Agents reports 2 lets within 260 metres of Flat 12, 28, Belsize Avenue over the last 2 years.
Most recently, 3B , Lancaster Drive, London, NW3 4EY, a leasehold flat, was let by Fine Living in February 2025.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Belsize Avenue, London, NW3 has a total of 446 addresses. According to our analysis of all the public data, Flat 12, 28, Belsize Avenue is the 345th largest and the 246th most expensive property on the street.
When compared to the postcode district it is £743k less expensive than the average property in NW3.
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
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












