21a, Carlyle Square, SW3 6EY

21a Carlyle Square is a terraced home in South Kensington. It sold for £9,500,000 in January 2015. The Land Registry and EPC data was last updated 2 July 2026.

Property data
Sale history
£9,500,000 on Jan 2015 (est. today's value: £8,874,497)
Bedrooms
6
Type
Terrace
Council tax band
H
Planning applications
Planning ref:
September 2021 PP/21/03923
Type:
Full and householder planning application
Status:
Application approved
Address:
21A Carlyle Square, LONDON,
Description:
Installation of cast iron railings painted black surrounding first floor green roof and ground floor railings surrounding basement vent at rear elevation for safety purposes. Increase of the height of the rear extension and insertion of doors (Retrospective application)
Planning ref:
March 2021 PP/21/00119
Type:
Full and householder planning application
Status:
Application approved
Address:
21A Carlyle Square, LONDON,
Description:
Reconstruction of front garden wall piers to be plumb either side of gate. One pier to be replaced with continuation of front wall.
Planning ref:
December 2020 PP/20/05765
Type:
Full and householder planning application
Status:
Application withdrawn before a decision was taken
Address:
21A Carlyle Square, LONDON,
Description:
Reconstruction of front garden wall piers to be plumb either side of gate. One pier to be replaced with continuation of front wall.
Planning ref:
October 2020 NMA/20/05146
Type:
Amendments or alterations arising from an existing or previous application
Status:
Application refused
Address:
21A Carlyle Square, LONDON,
Description:
Non-material amendment to planning permission 16/01337 to allow the removal of 1no. pier, reconstruction of part of front wall and 2no. gate piers
Planning ref:
August 2020 NMA/20/03912
Type:
Amendments or alterations arising from an existing or previous application
Status:
Application approved
Address:
21A Carlyle Square, LONDON,
Description:
Non material amendment to planning permission PP/16/01337 (Construction of basement, rebuilding rear ground floor extension, replacement windows, enlargement of skylight, additional skylights and relandscaping) for the construction of a brick chimney to encase 2no. Twin wall flues
Planning ref:
December 2016 PP/16/07103
Type:
Full and householder planning application
Status:
Application approved
Address:
21A Carlyle Square, LONDON,
Description:
Variation of condition 2 (Compliance with approved drawings) of planning permission 16/01337 for amendment to approved scheme to slightly change the position of the skylights to basement level.
Planning ref:
September 2016 PP/16/04638
Type:
Full and householder planning application
Status:
Application approved
Address:
21A Carlyle Square, LONDON,
Description:
Variation of condition 2 (Compliance with approved drawings) of planning permission 16/01337 for amendments to approved scheme including removing the meter of topsoil on top of the basement extension
Planning ref:
August 2016 ARB/16/04726
Type:
Tree and hedge works
Status:
Application approved
Address:
21A Carlyle Square, LONDON,
Description:
Prune 2 x Magnolia (one in front garden of No. 22, one in rear garden of No. 21a)
Planning ref:
June 2016 CON/16/02980
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved with conditions
Address:
21A Carlyle Square, LONDON,
Description:
Details required by condition 3 (Construction Traffic Management Plan (CTMP)) of planning permission PP/16/01337 (Construction of single-storey basement under footprint of property and part front and rear garden. Removal and rebuilding of rear ground floor extension; installation of flat roof to rear extension; replacement of windows to front and rear. Enlargement of central roof skylight over main staircase; addition of two skylights at flat roof section. Re-landscaping of front and rear gardens)
Planning ref:
March 2012 PP/11/04293
Type:
Full and householder planning application
Status:
Application refused
Address:
21A Carlyle Square, LONDON
Description:
Orangery style conservatory to the rear of the property.
EPC Inspections
Summary:
06 September 2012 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
rental (private)
Tenure:
Unknown
Property type:
Mid-Terrace House , has 5 habitable rooms. Estimated year built before 1900
Area:
209 sqm (2,250 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

According to HM Land Registry price paid data, 21a Carlyle Square last sold for £9,500,000 in January 2015.

The bedroom count is shown as 6 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 06 September 2012. EPC information comes from the public Energy Performance Certificate data for England and Wales.

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

21a Carlyle Square is in postcode SW3 6EY, in South Kensington. You can also view HouseMetric's sold-price page for Carlyle Square, SW3 6EY 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.