First Floor Flat, 23 Belsize Square, London, NW3 4HU is a leasehold flat built between 1900-1929. The property offers approximately 786 square feet of living space and is situated on the 1st floor. In this location, apartments of similar size usually have two bedrooms.

The estimated current market value of the property is £833,018 , which equates to approximately £1,060 per square foot. It was last sold on 2 Mar 2021 for £870,000. Since then, the value has decreased by £36,982, representing a 4.3% decrease, or approximately 0.9% per year.

The current estimated value of £833,018 is:

  • 27.9% lower than the average property price on Belsize Square
  • 20.9% lower than the average in the NW3 4HU postcode area
  • and 4.8% lower than the average price for London as a whole

At the most recent EPC inspection on 30 April 2025, the property was recorded as rented.

View sold house prices in NW3 4HU

Building approximate location

About Property

Type
Flat
Built
1900-1929
Interior Size
786 sq ft
Tenure
Leasehold
Floor level
1st floor
Price (estimate)
£833,018
Price Per sq ft (estimate)
£1,060
Bedroom Count (estimate)
2 bedrooms

EPC Summary

First Floor Flat, 23 Belsize Square, London, Camden, Greater London, NW3 4HU has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 30 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 main heating system. The windows are single glazed.

The previous EPC assessment was conducted on 9 Jul 2013. The rating of D remains the same, but the energy efficiency score improved by 4.8%.

Since the previous assessment, several changes were observed:

  • The lighting was updated from no low energy lighting to low energy lighting in 53% of fixed outlets, with efficiency improving from very poor to good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Single glazed
Very Poor
Lighting
Low energy lighting in 53% of fixed outlets
Good

Compared to NW3 4HU

13 th / 17
Price Rank
21% lower than average
5 th / 8
Size Rank
19% smaller than average
8 th / 8
Price Per Sq FT Rank
2% lower than average

Compared to other properties in NW3 4HU , this flat's estimated value ranks 13th out of 17. Based on price per square foot, it ranks 8th out of 8 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 5th out of 8 properties in its postcode area.

Sale History

Today
£833,018
streetscan.co.uk estimate
-4 %
2 Mar 2021
£870,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 2
size: 790 sq ft
sale price: £640,000
sale date: 22 Dec 2011
rooms: 3
size: 764 sq ft
sale price: £368,000
sale date: 26 Nov 2003
rooms: 4
size: 872 sq ft
sale price: £910,500
sale date: 13 Sep 2024
rooms: 3
size: 775 sq ft
sale price: £840,000
sale date: 14 Jul 2023
rooms: 2
size: 893 sq ft
sale price: £1,000,000
sale date: 25 May 2022

Data Sources

The property at First Floor Flat, 23 Belsize Square, London, Camden, Greater London, NW3 4HU appears once in the Land Registry records, with the transaction recorded on 2 Mar 2021. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 30 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.