Property data
Sale history
Price Date Annual growth After inflation
£600,000 Jan 2004 9.2% 7.4%
£285,000 Aug 1995 na na
Floor plan
Floorplan 20
View floorplan
Internal area
61 square metres (657 square feet) according to latest EPC inspection
£ per square meter (foot)
£9,836 per sqm (£914 per sqft) in Jan 2004. For context, homes in South Kensington are now selling for between £14,320 and £20,830 per square metre (£1,330 and £1,935 per square foot) . See the analysis of South Kensington SW7-3 housing market.
Valuation comparables
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Bedrooms
1
Type
Flat
Council tax band
G
Archived listings
History:
Archived rental listing for Flat 3 20 Onslow Square. Advertised on multiple portals. It was added on 05/08/2022. It last appeared Sep 2022.
Photos:

There are 16 historic photos of Flat 3 20 Onslow Square.

Photos for 20 Onslow Square
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Advertiser remarks:
  • 1 bedrooms
  • 1 bathrooms
EPC Inspections
Summary:
08 May 2025 - energy performance certificate grade C
Reason for EPC:
rental
Tenure:
Private rental
Property type:
5th floor flat on the top floor , has 3 habitable rooms. Estimated year built before 1900
Area:
61 sqm (657 square foot) total internal area
Comments:
Walls: Timber frame, as built, no insulation (assumed). Roof: Pitched, 100 mm loft insulation. Heating: Boiler and radiators, mains gas.

Summary:
18 July 2022 - energy performance certificate grade D
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
2nd floor flat , has 2 habitable rooms. Estimated year built before 1900
Area:
64 sqm (689 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Community scheme.

Summary:
08 September 2010 - energy performance certificate grade C
Reason for EPC:
rental (private)
Tenure:
Private rental
Property type:
2nd floor flat in an apartment block with 6 storeys , has 2 habitable rooms. Estimated year built before 1900
Area:
68 sqm (732 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Community scheme.