Property data
Sale history
Date Paid price Annual growth After inflation
Apr 2020 £1,464,500 2.3% 0.1%
Jul 2007 £1,100,000 15.6% 13.6%
May 2002 £517,500 na na
Internal area
101 square metres (1,087 square feet) according to latest EPC inspection
Price per internal area

This property sold for £14,500 per square metre (£1,347 per square foot) in Apr 2020. Indexed forward to today's value, this is roughly £13,444 per square metre (£1,249 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Apr 2020 £1,464,500 £14,500 £1,357,878 £13,444
Jul 2007 £1,100,000 £10,891 £1,713,278 £16,963
May 2002 £517,500 £5,124 £1,256,853 £12,444

Calculated using the latest EPC internal area of 101 m². Earlier sale dates may not have had the same measured area available.

Valuation
The most recent sale price indexed forward to today's value is £1,357,878. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Belsize Park are now selling for between £9,980 and £12,950 per square metre (£927 and £1,203 per square foot). Based on an internal area of 101 m², this implies a valuation between £1,008,000 and £1,308,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
Bedrooms
3
Type
Flat
Council tax band
G
Archived listings
History:
Archived rental listing for Flat 1 9 Belsize Square. Advertised on multiple portals. It was reduced on 19/09/2014. It last appeared Nov 2014.
Photos:

There are 8 archived estate agent listing photos for Flat 1 9 Belsize Square.

Photos for 9 Belsize Square
View photos
Advertiser remarks:
  • 4 bedrooms
Planning applications
Planning ref:
June 2024 2024/2405/P
Type:
Discharge of conditions imposed on an existing application
Status:
Decision has yet to be made
Address:
Flat 1 9 Belsize Square London Camden
Description:
Variation of condition 3 (approved drawings) of planning permission 2018/2977/P granted on 08/04/2019 for 'Erection of a lower ground floor single storey rear extension' to allow for change of facing materials from 'zinc cladding' to white painted render.

Planning ref:
June 2023 2023/2401/P
Type:
Full and householder planning application
Status:
Decision has yet to be made
Address:
9 Flat 1 Belsize Square London Camden
Description:
Retrospective planning permission for enlarged decking area and two wall mounted security lights at Lower Ground Floor Flat

Planning ref:
April 2019 2018/2977/P
Type:
Full and householder planning application
Status:
Application approved
Address:
Flat 1, 9 Belsize Square London
Description:
Erection of a lower ground floor single storey rear extension to the existing self-contained flat
EPC Inspections
Summary:
10 January 2018 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Owner-occupied
Property type:
1st floor flat in an apartment block with 1 storeys , has 3 habitable rooms. Estimated year built before 1900
Area:
101 sqm (1,087 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Boiler and radiators, mains gas.
Frequently asked questions

Flat 1 9 Belsize Square is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.

  • HouseMetric estimates the most recent sale price indexed forward to today's value is £1,357,878.
  • Based on an internal area of 101 m² and recent prices in Belsize Park, this implies a lower and upper quartile range from £1,008,000 to £1,308,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, Flat 1 9 Belsize Square last sold for £1,464,500 in April 2020.

HouseMetric shows Flat 1 9 Belsize Square as 101 m² (1,087 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 3 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is D, from an inspection dated 10 January 2018. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, Flat 1 9 Belsize Square was in council tax band G. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

Flat 1 9 Belsize Square is in postcode NW3 4HT, in Belsize Park. You can also view HouseMetric's sold-price page for Belsize Square, NW3 4HT or analysis of the Belsize Park property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 2 July 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.