Property data
Sale history
Date Paid price Annual growth After inflation
Aug 2024 £6,415,000 2.5% -0.3%
Sep 2009 £4,450,000 -2.1% -4.7%
Sep 2007 £4,653,730 na na
Floor plan

Archived estate agent floor plan for 40, Carlyle Square.

Floorplan 40
View floorplan
Internal area
287 square metres (3,089 square feet) according to latest EPC inspection
Price per internal area

This property sold for £22,351 per square metre (£2,076 per square foot) in Aug 2024. Indexed forward to today's value, this is roughly £20,210 per square metre (£1,878 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Aug 2024 £6,415,000 £22,352 £5,800,337 £20,210
Sep 2009 £4,450,000 £15,505 £6,265,387 £21,831
Sep 2007 £4,653,730 £16,215 £7,730,938 £26,937

Calculated using the latest EPC internal area of 287 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 £5,800,337. 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 £16,540 and £23,610 per square metre (£1,536 and £2,193 per square foot). Based on an internal area of 287 m², this implies a valuation between £4,747,000 and £6,776,000. 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
4
Type
Terrace
Council tax band
H
Plot size
114 square metres (1,227 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 40 Carlyle Square. Advertised on multiple portals. It was reduced on 25/01/2024. It last appeared May 2024.
Photos:

There are 12 archived estate agent listing photos for 40 Carlyle Square.

Photos for 40 Carlyle Square
View photos
Advertiser remarks:
  • 4 bedrooms
  • 3 bathrooms
Planning applications
Planning ref:
May 2012 CON/11/00003
Type:
Unknown type
Status:
Application approved with conditions
Address:
40 Carlyle Square, LONDON
Description:
Discharge of Condition 3, relating to LB/11/00003.

Planning ref:
February 2011 LB/11/00003
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
40 Carlyle Square, LONDON
Description:
Removal of render and the installation of brick facing slips to the gable elevation.

Planning ref:
May 2010 CON/10/00437
Type:
Unknown type
Status:
Application approved with conditions
Address:
40 Carlyle Square, LONDON
Description:
Discharge of condition 9 of planning permission PP/10/00437

Planning ref:
March 2010 LB/10/00438
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
40 Carlyle Square, LONDON
Description:
Amendments to previously approved applications PP/09/1086 and LB/09/1087 for removal of basement lightwell, lowering by 1 storey the closet wing extension and internal modifications.

Planning ref:
March 2010 PP/10/00437
Type:
Full and householder planning application
Status:
Application approved
Address:
40 Carlyle Square, LONDON
Description:
Amendments to previously approved applications PP/09/1086 and LB/09/1087 for removal of basement lightwell, lowering by one storey the closet wing extension and internal modifications.

Planning ref:
July 2009 LB/09/01087
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
40 Carlyle Square, LONDON
Description:
Amendments to previously approved application LB/07/02909 involving introduction of lightwell to rear of garden lowering the closet wing extension and internal alterations.

Planning ref:
July 2009 PP/09/01086
Type:
Full and householder planning application
Status:
Application approved
Address:
40 Carlyle Square, LONDON
Description:
Amendments to previously approved application PP/07/02908 involving introduction of lightwell to rear of garden, and lowering of closet wing extension.

Planning ref:
May 2009 LB/09/00598
Type:
Heritage application - conservation issues and listed buildings
Status:
Application withdrawn before a decision was taken
Address:
40 Carlyle Square, LONDON
Description:
Extension of existing rear extension including addition of two floors on top, excavation of garden at rear to create new room followed by reinstatement of garden. Internal alterations including covering of floor to front vaults.

Planning ref:
May 2009 PP/09/00595
Type:
Full and householder planning application
Status:
Application withdrawn before a decision was taken
Address:
40 Carlyle Square, LONDON
Description:
Extension of existing rear extension including addition of two floors on top, excavation of garden at rear to create new room followed by reinstatement of garden. Internal alterations including covering of floor to front vaults.

Planning ref:
February 2009 LB/07/02909
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
40 Carlyle Square, LONDON
Description:
Erection of subterranean extension in rear garden, replacement of existing rear addition by three storey addition, single storey conservatory in adjacent lightwell and alterations to rear fenestration. Internal alterations including lowering of floor to front vaults.
EPC Inspections
Summary:
25 April 2023 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Owner-occupied
Property type:
End-Terrace House , has 9 habitable rooms. Estimated year built before 1900
Area:
287 sqm (3,089 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 300 mm loft insulation. Heating: Boiler and radiators, mains gas.

Summary:
27 April 2009 - energy performance certificate grade E
Reason for EPC:
None
Tenure:
Owner-occupied
Property type:
None , has 9 habitable rooms. Estimated year built before 1900
Area:
199 sqm (2,142 square foot) total internal area
Comments:
Frequently asked questions

40 Carlyle 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 £5,800,337.
  • Based on an internal area of 287 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £4,747,000 to £6,776,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 40 Carlyle Square last sold for £6,415,000 in August 2024.

HouseMetric shows 40 Carlyle Square as 287 m² (3,089 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 4 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 25 April 2023. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 40 Carlyle Square was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

40 Carlyle Square is in postcode SW3 6HA, in South Kensington. You can also view HouseMetric's sold-price page for Carlyle Square, SW3 6HA 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 2 July 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.