Property data
Sale history
£950,000 on Aug 2019

*This price paid record has been flagged by Land Registry as a 'Category B: Additional Price Paid entry'. This could be due to a variety of reasons, such as the sale being a buy-to-let purchase, a repossession or a transfer to a limited company. When Land Registry suspects that a sale does not reflect full market value (e.g. part-ownership or right to buy), these transactions can be flagged as well. For this reason, we exclude them from our area statistics.

Internal area
173 square metres (1,862 square feet) according to latest EPC inspection
Price per internal area

This property sold for £5,491 per square metre (£510 per square foot) in Aug 2019. Indexed forward to today's value, this is roughly £5,462 per square metre (£507 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Aug 2019 £950,000 £5,491 £944,952 £5,462

Calculated using the latest EPC internal area of 173 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 £944,952. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in South Kensington are now selling for between £13,530 and £19,990 per square metre (£1,256 and £1,857 per square foot). Based on an internal area of 173 m², this implies a valuation between £2,341,000 and £3,458,000. 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
H
Company ownership
Title number
BGL11599
Tenure
Leasehold/other
Title address
Flat 10, 97 Onslow Square, London
Owner
RYSAFFE TRUSTEE COMPANY (C.I.) LIMITED
Incorporated in GUERNSEY
Proprietor address: PO BOX 141, La Tonnelle House, Les Banques, St Sampson, Guernsey, GY1 3HS
Price paid on title: £950,000
Ownership record added to Land Registry's corporate ownership dataset 03 Oct 2019
EPC Inspections
Summary:
13 October 2023 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Private rental
Property type:
3rd floor flat on the top floor in an apartment block with 1 storeys , has 5 habitable rooms. Estimated year built 1900 to 1929
Area:
173 sqm (1,862 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation. Heating: Community scheme.
Frequently asked questions

Flat 10 97 Onslow 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 £944,952.
  • Based on an internal area of 173 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £2,341,000 to £3,458,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, Flat 10 97 Onslow Square last sold for £950,000 in August 2019.

HouseMetric shows Flat 10 97 Onslow Square as 173 m² (1,862 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 E, from an inspection dated 13 October 2023. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, Flat 10 97 Onslow Square was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

Flat 10 97 Onslow Square is in postcode SW7 3LU, in South Kensington. You can also view HouseMetric's sold-price page for Onslow Square, SW7 3LU 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.