Property data
Sale history
Price Date Annual growth After inflation
£4,250,000 Mar 2021 9.5% 7.3%
£875,000 Oct 2003 na na
Internal area
198 square metres (2,131 square feet) according to latest EPC inspection
£ per square meter (foot)
£21,464 per sqm (£1,994 per sqft) in Mar 2021. 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
3
Type
Flat
Council tax band
H
Planning applications
Planning ref:
December 2019 LB/19/07538
Type:
Heritage application - conservation issues and listed buildings
Status:
Application refused
Address:
33 Onslow Gardens, LONDON,
Description:
Removal of non-original stud partition wall and double doors between front room and hall at ground floor level (Retrospective application, listed building consent only)

Planning ref:
September 2019 LB/19/05068
Type:
Heritage application - conservation issues and listed buildings
Status:
Application refused
Address:
33 Onslow Gardens, LONDON,
Description:
Reinstatement of door opening inside upper ground floor hallway wall. (internal alterations only)
EPC Inspections
Summary:
11 June 2025 - energy performance certificate grade C
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Maisonette , has 5 habitable rooms. Estimated year built before 1900
Area:
185 sqm (1,991 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:
06 November 2020 - energy performance certificate grade D
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Ground floor flat , has 6 habitable rooms. Estimated year built before 1900
Area:
198 sqm (2,131 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:
09 July 2013 - energy performance certificate grade C
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Maisonette , has 5 habitable rooms. Estimated year built before 1900
Area:
175 sqm (1,884 square foot) total internal area
Comments:
Walls: Solid brick, with internal insulation. Roof: (another dwelling above). Heating: Boiler and radiators, mains gas.

Summary:
11 August 2010 - energy performance certificate grade D
Reason for EPC:
rental (private)
Tenure:
Private rental
Property type:
Maisonette , has 5 habitable rooms. Estimated year built before 1900
Area:
178 sqm (1,916 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Boiler and radiators, mains gas.