Property data
Sale history
Date Paid price Annual growth After inflation
May 2020 £6,700,000 9.4% 7.3%
May 1997 £850,000 na na
Apr 1997 £410,000 na na
Floor plan

Archived estate agent floor plan for Flat 2 38, Onslow Square.

Floorplan 38
View floorplan
Bedrooms
4
Type
Flat
Council tax band
H
Archived listings
History:
Archived sales listing for Flat 2 38 Onslow Square. Advertised on multiple portals. It was reduced on 21/01/2020. It last appeared Apr 2020.
Photos:

There are 12 archived estate agent listing photos for Flat 2 38 Onslow Square.

Photos for 38 Onslow Square
View photos
Advertiser remarks:
  • 4 bedrooms
  • 2 bathrooms
Planning applications
Planning ref:
July 2021 LB/21/01126
Type:
Heritage application - conservation issues and listed buildings
Status:
Application refused
Address:
Flat 2, 38 Onslow Square, LONDON,
Description:
Replacement of French Doors to balcony with replicas of original.

Planning ref:
July 2021 PP/21/01125
Type:
Full and householder planning application
Status:
Application refused
Address:
Flat 2, 38 Onslow Square, LONDON,
Description:
Replacement of French Doors to balcony with replicas of original.

Planning ref:
April 2021 LB/21/01128
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
Flat 2, 38 Onslow Square, LONDON,
Description:
Replacement of glazing in Crittal windows at rear with 12mm double glazed units.

Planning ref:
April 2021 PP/21/01127
Type:
Full and householder planning application
Status:
Application approved
Address:
Flat 2, 38 Onslow Square, LONDON,
Description:
Replacement of glazing in Crittal windows at rear with 12mm double glazed units.

Planning ref:
February 2021 CON/21/00178
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved with conditions
Address:
Flat 2, 38 Onslow Square, LONDON,
Description:
Details required by Condition 2 (Submission of Details) of Listed Building Consent LB/20/02302 (Internal alterations including additional shower room, installation of glazed panelled doors and internal double glazing)

Planning ref:
July 2020 LB/20/02302
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
Flat 2, 38 Onslow Square, LONDON,
Description:
Internal alterations including additional shower room, installation of glazed panelled doors and internal double glazing.
EPC Inspections
Summary:
05 June 2013 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Owner-occupied
Property type:
2nd floor flat in an apartment block with 1 storeys , has 2 habitable rooms. Estimated year built before 1900
Area:
78 sqm (840 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Boiler and radiators, mains gas.

Summary:
16 March 2010 - energy performance certificate grade D
Reason for EPC:
None
Tenure:
Social rental
Property type:
None , has 6 habitable rooms. Estimated year built before 1900
Area:
202 sqm (2,174 square foot) total internal area
Comments:
Frequently asked questions

According to HM Land Registry price paid data, Flat 2 38 Onslow Square last sold for £6,700,000 in May 2020.

The bedroom count is shown as 4 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 05 June 2013. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, Flat 2 38 Onslow Square was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

Flat 2 38 Onslow Square is in postcode SW7 3NS, in South Kensington. You can also view HouseMetric's sold-price page for Onslow Square, SW7 3NS or analysis of the South Kensington 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.