21, Alexander Square, SW3 2AU

21 Alexander Square is a 239 m² / 2,573 sq ft terraced home in South Kensington. It sold for £5,860,000 in May 2024. Indexed forward to today's value, that sale is roughly £5,164k. Recent local prices imply a broad valuation context of £3,485k to £5,399k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
May 2024 £5,860,000 14.5% 11.7%
May 2002 £295,000 na na
Internal area
239 square metres (2,573 square feet) according to latest EPC inspection
Price per internal area

This property sold for £24,518 per square metre (£2,278 per square foot) in May 2024. Indexed forward to today's value, this is roughly £21,608 per square metre (£2,007 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
May 2024 £5,860,000 £24,519 £5,164,431 £21,608
May 2002 £295,000 £1,234 £911,470 £3,814

Calculated using the latest EPC internal area of 239 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 £5,164,431. 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 £14,580 and £22,590 per square metre (£1,354 and £2,098 per square foot). Based on an internal area of 239 m², this implies a valuation between £3,485,000 and £5,399,000. 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
5
Type
Terrace
Council tax band
H
Plot size
96 square metres (1,033 square feet) - map showing freehold boundary lines
EPC Inspections
Summary:
05 December 2023 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 8 habitable rooms. Estimated year built before 1900
Area:
239 sqm (2,573 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Flat, no insulation (assumed). Heating: Boiler and radiators, mains gas.
Frequently asked questions

21 Alexander 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 £5,164,431.
  • Based on an internal area of 239 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £3,485,000 to £5,399,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 21 Alexander Square last sold for £5,860,000 in May 2024.

HouseMetric shows 21 Alexander Square as 239 m² (2,573 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 5 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 D, from an inspection dated 05 December 2023. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 21 Alexander Square was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

21 Alexander Square is in postcode SW3 2AU, in South Kensington. You can also view HouseMetric's sold-price page for Alexander Square, SW3 2AU 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.