Flat 4, 35 Belsize Park Gardens, London, NW3 4JJ is a leasehold flat built between 1930-1949. The property offers approximately 700 square feet of living space and is situated on the 2nd floor. In this location, apartments of similar size usually have two bedrooms.

The estimated current market value of the property is £763,973 , which equates to approximately £1,092 per square foot. It was last sold on 1 Sep 1999 for £203,500. Since then, the value has increased by £560,473, representing a 275.4% increase, or approximately 10.5% per year.

The current estimated value of £763,973 is:

  • 39.5% lower than the average property price on Belsize Park Gardens
  • 49.5% lower than the average in the NW3 4JJ postcode area
  • and 12.7% lower than the average price for London as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as owner-occupied both times. This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 28 April 2025, the property was recorded as owner-occupied.

View sold house prices in NW3 4JJ

Building approximate location

About Property

Type
Flat
Built
1930-1949
Interior Size
700 sq ft
Tenure
Leasehold
Floor level
2nd floor
Price (estimate)
£763,973
Price Per sq ft (estimate)
£1,092
Bedroom Count (estimate)
2 bedrooms

EPC Summary

Flat 4, 35 Belsize Park Gardens, London, Camden, Greater London, NW3 4JJ has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 28 Apr 2025.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from the main heating system, though the cylinder has no thermostat. The windows have partial double glazing.

The previous EPC assessment was conducted on 23 Sep 2013. The rating of D is unchanged, though the energy efficiency score decreased by 9.5%.

Since the previous assessment, several changes were observed:

  • The hot water system was changed from from main system to from main system, no cylinder thermostat, with its energy efficiency changing from good to poor.
  • The wall construction or insulation changed from solid brick, as built, no insulation (assumed) to sandstone or limestone, as built, no insulation (assumed), with no change in energy efficiency (very poor).
  • The windows were upgraded from single glazed to partial double glazing.
  • The lighting was updated from low energy lighting in 17% of fixed outlets to low energy lighting in 64% of fixed outlets, with efficiency improving from poor to good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system, no cylinder thermostat
Poor
Walls
Sandstone or limestone, as built, no insulation (assumed)
Very Poor
Windows
Partial double glazing
Poor
Lighting
Low energy lighting in 64% of fixed outlets
Good

Compared to NW3 4JJ

14 th / 16
Price Rank
49% lower than average
11 th / 13
Size Rank
43% smaller than average
9 th / 13
Price Per Sq FT Rank
11% lower than average

Compared to other properties in NW3 4JJ , this flat's estimated value ranks 14th out of 16. Based on price per square foot, it ranks 9th out of 13 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 13 properties in its postcode area.

Sale History

Today
£763,973
streetscan.co.uk estimate
+275 %
1 Sep 1999
£203,500
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 3
size: 721 sq ft
sale price: £1,150,000
sale date: 22 Dec 2022
rooms: 3
size: 635 sq ft
sale price: £785,000
sale date: 7 Jun 2018
rooms: 3
size: 732 sq ft
sale price: £850,000
sale date: 17 Nov 2017
rooms: 1
size: 624 sq ft
sale price: £475,000
sale date: 31 Mar 2025
rooms: 3
size: 689 sq ft
sale price: £880,000
sale date: 21 Feb 2025

Data Sources

The property at Flat 4, 35 Belsize Park Gardens, London, Camden, Greater London, NW3 4JJ appears once in the Land Registry records, with the transaction recorded on 1 Sep 1999. It also has three Energy Performance Certificates (EPC) entries, the earliest dating back to 28 Apr 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.