Flat 28, 15 Belsize Avenue, London, NW3 4BL is a leasehold flat built between 1976-1982. The property offers approximately 1,033 square feet of living space and is situated on the 3rd floor. In this location, apartments of similar size usually have three bedrooms.

The estimated current market value of the property is £762,492 , which equates to approximately £738 per square foot. It was last sold on 19 Feb 2016 for £817,500. Since then, the value has decreased by £55,008, representing a 6.7% decrease, or approximately 0.7% per year.

The current estimated value of £762,492 is:

  • 11.5% lower than the average property price on Belsize Avenue
  • 19.2% lower than the average in the NW3 4BL postcode area
  • and 12.9% lower than the average price for London as a whole

At the most recent EPC inspection on 7 March 2025, the property was recorded as rented.

View sold house prices in NW3 4BL

Building approximate location

About Property

Type
Terraced Maisonette
Built
1976-1982
Interior Size
1033 sq ft
Tenure
Leasehold
Floor level
3rd floor
Price (estimate)
£762,492
Price Per sq ft (estimate)
£738
Bedroom Count (estimate)
3 bedrooms

EPC Summary

Flat 28, 15 Belsize Avenue, London, Camden, Greater London, NW3 4BL has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 7 Mar 2025.

This property is heated by a shared community system (community scheme). Community heating means the heat is supplied from a central source serving multiple homes. A community heating scheme is used to provide hot water. The windows are fully double glazed.

The previous EPC assessment was conducted on 8 May 2014, when the property was rated D. Since then, the rating has improved to C, with the energy efficiency score increasing by 6.1%.

Since the previous assessment, several changes were observed:

  • The lighting was changed from low energy lighting in 30% of fixed outlets to low energy lighting in 36% of fixed outlets, with no change in efficiency (average).
Heating Type
Community scheme
Good
Hot Water
Community scheme
Good
Roof
Flat, limited insulation (assumed)
Poor
Walls
Cavity wall, as built, partial insulation (assumed)
Average
Windows
Fully double glazed
Good
Lighting
Low energy lighting in 36% of fixed outlets
Average

Compared to NW3 4BL

35 th / 67
Price Rank
19% lower than average
11 th / 45
Size Rank
20% bigger than average
40 th / 45
Price Per Sq FT Rank
33% lower than average

Compared to other properties in NW3 4BL , this maisonette's estimated value ranks 35th out of 67. Based on price per square foot, it ranks 40th out of 45 properties. This indicates a lower price per square foot than most, suggesting good value for the space offered. In terms of size, this home ranks 11th out of 45 properties in its postcode area.

Sale History

Today
£762,492
streetscan.co.uk estimate
-7 %
19 Feb 2016
£817,500
Leasehold
+133.6 %
11 Sep 2009
£350,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 4
size: 1128 sq ft
sale price: £1,420,000
sale date: 11 Jan 2023
rooms: 5
size: 1033 sq ft
sale price: £765,000
sale date: 24 Nov 2022
rooms: 3
size: 958 sq ft
sale price: £1,123,296
sale date: 25 Mar 2021
rooms: 4
size: 1175 sq ft
sale price: £1,325,000
sale date: 5 Feb 2021
rooms: 3
size: 1016 sq ft
sale price: £960,000
sale date: 3 Jun 2010

Data Sources

The property at Flat 28, 15 Belsize Avenue, London, NW3 4BL appears two times in the Land Registry records, with the latest transaction recorded on 19 Feb 2016. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 7 Mar 2025. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.