41, Onslow Square, SW7 3LR
41 Onslow Square is a 277 m² / 2,982 sq ft flat in South Kensington. It sold for £2,675,000 in May 2006. Indexed forward to today's value, that sale is roughly £4,855k. Recent local prices imply a broad valuation context of £3,748k to £5,537k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.
- Sale history
-
Date Paid price Annual growth After inflation May 2006 £2,675,000 29.6% 26.6% Mar 2004 £1,525,000 na na - Floor plan
-
Archived estate agent floor plan for 41, Onslow Square.
- Internal area
- 277 square metres (2,982 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £9,657 per square metre (£897 per square foot) in May 2006. Indexed forward to today's value, this is roughly £17,526 per square metre (£1,628 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm May 2006 £2,675,000 £9,657 £4,854,743 £17,526 Mar 2004 £1,525,000 £5,505 £3,334,411 £12,038 Calculated using the latest EPC internal area of 277 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 £4,854,743. 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 277 m², this implies a valuation between £3,748,000 and £5,537,000. 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
- na
- Summary:
- 26 August 2022 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Maisonette , has 7 habitable rooms. Estimated year built before 1900
- Area:
- 277 sqm (2,982 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:
- 22 August 2012 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Unknown
- Property type:
- 1st floor flat in an apartment block with 2 storeys , has 7 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 299 sqm (3,218 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Boiler and radiators, mains gas.
41 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 £4,854,743.
- Based on an internal area of 277 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £3,748,000 to £5,537,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.