Flat 3 11, Onslow Square, SW7 3NJ
Flat 3 11 Onslow Square is a 82 m² / 883 sq ft flat in South Kensington. It sold for £1,352,000 in June 2007. Indexed forward to today's value, that sale is roughly £1,918k. Recent local prices imply a broad valuation context of £1,109k to £1,639k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.
- Sale history
-
£1,352,000 on Jun 2007
- Floor plan
-
Archived estate agent floor plan for Flat 3 11, Onslow Square.
- Internal area
- 82 square metres (883 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £16,487 per square metre (£1,532 per square foot) in Jun 2007. Indexed forward to today's value, this is roughly £23,392 per square metre (£2,173 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Jun 2007 £1,352,000 £16,488 £1,918,134 £23,392 Calculated using the latest EPC internal area of 82 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 £1,918,134. 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 82 m², this implies a valuation between £1,109,000 and £1,639,000. 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
- na
- Type
- Flat
- Council tax band
- na
- Title number
- BGL16413
- Tenure
- Leasehold/other
- Title address
- Flat 3, 11 Onslow Square, London
- Owner
-
ONSLOW SQUARE LIMITED
(Company reference number: 8097175)
Proprietor address: Crusader House, 145-157 St. John Street, London EC1V 4PY
Price paid on title: £1,352,000
Ownership record added to Land Registry's corporate ownership dataset 03 Feb 2014
- Summary:
- 10 January 2024 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- None of the above
- Tenure:
- Unknown
- Property type:
- 2nd floor flat in an apartment block with 1 storeys , has 3 habitable rooms. Estimated year built before 1900
- Area:
- 82 sqm (883 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Community scheme.
- Summary:
- 21 October 2010 - energy performance certificate grade D
- Reason for EPC:
- None
- Tenure:
- Private rental
- Property type:
- None , has 3 habitable rooms. Estimated year built 1991 to 1995
- Area:
- 77 sqm (829 square foot) total internal area
- Comments:
Flat 3 11 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 £1,918,134.
- Based on an internal area of 82 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £1,109,000 to £1,639,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.