21, Halsey Street, SW3 2QH
21 Halsey Street is a 224 m² / 2,411 sq ft terraced home in South Kensington. It sold for £4,825,000 in December 2025. Indexed forward to today's value, that sale is roughly £4,646k. Recent local prices imply a broad valuation context of £3,313k to £5,163k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.
- Sale history
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Date Paid price Annual growth After inflation Dec 2025 £4,825,000 2.2% -0.6% Sep 2006 £3,200,000 48.8% 45.4% Dec 2004 £1,595,000 na na - Floor plan
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Archived estate agent floor plan for 21, Halsey Street.
- Internal area
- 224 square metres (2,411 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £21,540 per square metre (£2,001 per square foot) in Dec 2025. Indexed forward to today's value, this is roughly £20,741 per square metre (£1,927 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Dec 2025 £4,825,000 £21,540 £4,646,048 £20,741 Sep 2006 £3,200,000 £14,286 £6,549,933 £29,241 Dec 2004 £1,595,000 £7,121 £3,762,930 £16,799 Calculated using the latest EPC internal area of 224 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 £4,646,048. 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 £14,790 and £23,050 per square metre (£1,374 and £2,141 per square foot). Based on an internal area of 224 m², this implies a valuation between £3,313,000 and £5,163,000. 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
- Terrace
- Council tax band
- H
- Plot size
- 117 square metres (1,259 square feet) - map showing freehold boundary lines
- Summary:
- 08 September 2025 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Mid-Terrace House , has 9 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 224 sqm (2,411 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: (same dwelling above). Heating: Boiler and radiators, mains gas, Boiler and radiators, mains gas.
- Summary:
- 02 November 2009 - energy performance certificate grade D
- Reason for EPC:
- None
- Tenure:
- Owner-occupied
- Property type:
- None , has 7 habitable rooms. Estimated year built None to None
- Area:
- 181 sqm (1,948 square foot) total internal area
- Comments:
21 Halsey Street 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 £4,646,048.
- Based on an internal area of 224 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £3,313,000 to £5,163,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.