Property data
Sale history
£735,000 on Apr 2000 (est. today's value: £1,969,270)
Floor plan

Archived estate agent floor plan for Flat 5 25, Onslow Square.

Floorplan 25
View floorplan
Bedrooms
3
Type
Flat
Council tax band
H
Archived listings
History:
Archived rental listing for Flat 5 25 Onslow Square. Advertised on multiple portals. It was added on 02/04/2024. It last appeared May 2024.
Photos:

There are 8 archived estate agent listing photos (taken in May 2021) for Flat 5 25 Onslow Square.

Photos for 25 Onslow Square
View photos
Advertiser remarks:
  • 3 bedrooms
  • 3 bathrooms
EPC Inspections
Summary:
28 August 2015 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Unknown
Property type:
2nd floor flat in an apartment block with 1 storeys , has 2 habitable rooms. Estimated year built before 1900
Area:
60 sqm (646 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Community scheme.
Frequently asked questions

According to HM Land Registry price paid data, Flat 5 25 Onslow Square last sold for £735,000 in April 2000.

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 C, from an inspection dated 28 August 2015. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, Flat 5 25 Onslow Square was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

Flat 5 25 Onslow Square is in postcode SW7 3NJ, in South Kensington. You can also view HouseMetric's sold-price page for Onslow Square, SW7 3NJ 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 1 June 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.