Flat 10 27, Onslow Square, SW7 3NH
Flat 10 27 Onslow Square is a 95 m² / 1,023 sq ft flat in South Kensington. It sold for £1,700,000 in September 2017. Indexed forward to today's value, that sale is roughly £1,342k. Recent local prices imply a broad valuation context of £1,285k to £1,899k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.
- Sale history
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Date Paid price Annual growth After inflation Sep 2017 £1,700,000 11.2% 8.7% Jan 2007 £550,000 9.6% 7.2% Oct 2004 £445,000 0.9% -0.6% Mar 1998 £420,000 140.5% 137.7% Aug 1997 £247,500 na na - Floor plan
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Archived estate agent floor plan for Flat 10 27, Onslow Square.
- Internal area
- 95 square metres (1,023 square feet) according to latest EPC inspection
- Price per internal area
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This property sold for £17,894 per square metre (£1,662 per square foot) in Sep 2017. Indexed forward to today's value, this is roughly £14,121 per square metre (£1,312 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Sep 2017 £1,700,000 £17,895 £1,341,542 £14,121 Jan 2007 £550,000 £5,789 £916,164 £9,644 Oct 2004 £445,000 £4,684 £930,575 £9,796 Mar 1998 £420,000 £4,421 £1,624,460 £17,100 Aug 1997 £247,500 £2,605 £1,286,732 £13,545 Calculated using the latest EPC internal area of 95 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 £1,341,542. 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 95 m², this implies a valuation between £1,285,000 and £1,899,000. 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
- 2
- Type
- Flat
- Council tax band
- G
- History:
- Archived rental listing for Flat 10 27 Onslow Square. Advertised on multiple portals. It was added on 28/05/2025. It last appeared Jun 2025.
- Photos:
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There are 12 archived estate agent listing photos (taken in July 2024) for Flat 10 27 Onslow Square.
- Advertiser remarks:
-
- 2 bedrooms
- 2 bathrooms
- Summary:
- 30 June 2017 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Owner-occupied
- Property type:
- 2nd floor flat in an apartment block with 1 storeys , has 4 habitable rooms. Estimated year built 1967 to 1975
- Area:
- 95 sqm (1,023 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Community scheme.
Flat 10 27 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 £1,341,542.
- Based on an internal area of 95 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £1,285,000 to £1,899,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.