Property data
Sale history
Date Paid price Annual growth After inflation
Mar 2016 £5,500,000 5.4% 3.3%
May 2000 £2,400,000 32.8% 30.6%
Jul 1997 £1,060,000 na na
Internal area
271 square metres (2,917 square feet) according to latest EPC inspection
Price per internal area

This property sold for £20,295 per square metre (£1,885 per square foot) in Mar 2016. Indexed forward to today's value, this is roughly £18,920 per square metre (£1,758 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Mar 2016 £5,500,000 £20,295 £5,127,185 £18,920
May 2000 £2,400,000 £8,856 £6,938,697 £25,604
Jul 1997 £1,060,000 £3,911 £4,755,520 £17,548

Calculated using the latest EPC internal area of 271 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 £5,127,185. 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 271 m², this implies a valuation between £3,951,000 and £6,122,000. 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
114 square metres (1,227 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived rental listing for 23 Alexander Square. Advertised on multiple portals. It was reduced on 18/10/2016. It last appeared Oct 2016.
Photos:

There are 12 archived estate agent listing photos (taken in September 2016) for 23 Alexander Square.

Photos for 23 Alexander Square
View photos
Advertiser remarks:
  • 5 bedrooms
  • 3 bathrooms
Planning applications
Planning ref:
January 2019 LB/18/06837
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
23 Alexander Square, LONDON,
Description:
Installation of CCTV dome camera mounted on existing metal railings to first floor balcony on front elevation

Planning ref:
January 2019 PP/18/06836
Type:
Full and householder planning application
Status:
Application approved
Address:
23 Alexander Square, LONDON,
Description:
Installation of CCTV dome camera mounted on existing metal railings to first floor balcony on front elevation

Planning ref:
January 2018 LB/17/07081
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
23 Alexander Square, LONDON,
Description:
Variation of condition 7 (Floorboards) of listed building consent 17/05260 to reword condition to read: Existing floorboards in the property will be retained and made good on a like-for-like basis in solid timber and any new oak flooring overlay will be isolated from the existing floors without affecting the existing historic joinery

Planning ref:
October 2017 LB/17/05260
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
23 Alexander Square, LONDON,
Description:
Internal alterations including replacement of kitchen and bathroom fittings and cupboards; replacement of glazed double door with single door and sash window; removal of WC and associated works

Planning ref:
August 2017 LB/17/03834
Type:
Heritage application - conservation issues and listed buildings
Status:
Application withdrawn before a decision was taken
Address:
23 Alexander Square, LONDON,
Description:
Installation of spiral wine store at front lower ground floor ***WITHDRAWN***

Planning ref:
August 2017 PP/17/03833
Type:
Full and householder planning application
Status:
Application withdrawn before a decision was taken
Address:
23 Alexander Square, LONDON,
Description:
Installation of spiral wine store at front lower ground floor ***WITHDRAWN***

Planning ref:
May 2017 LB/17/01625
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
23 Alexander Square, LONDON,
Description:
Internal alterations.

Planning ref:
May 2017 PP/17/01624
Type:
Full and householder planning application
Status:
Application approved
Address:
23 Alexander Square, LONDON,
Description:
Internal alterations
EPC Inspections
Summary:
12 April 2010 - energy performance certificate grade E
Reason for EPC:
None
Tenure:
Private rental
Property type:
None , has 9 habitable rooms. Estimated year built before 1900
Area:
271 sqm (2,917 square foot) total internal area
Comments:
Frequently asked questions

23 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 £5,127,185.
  • Based on an internal area of 271 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £3,951,000 to £6,122,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 23 Alexander Square last sold for £5,500,000 in March 2016.

HouseMetric shows 23 Alexander Square as 271 m² (2,917 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 E, from an inspection dated 12 April 2010. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 23 Alexander Square was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

23 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.