Property data
Sale history
Date Paid price Annual growth After inflation
Jun 2022 £3,850,000 4.3% 1.8%
Apr 2008 £2,130,000 14.6% 12.2%
Feb 2002 £920,000 na na
Floor plan

Archived estate agent floor plan for 23, Radnor Walk.

Floorplan 23
View floorplan
Internal area
183 square metres (1,970 square feet) according to latest EPC inspection
Price per internal area

This property sold for £21,038 per square metre (£1,954 per square foot) in Jun 2022. Indexed forward to today's value, this is roughly £17,841 per square metre (£1,657 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jun 2022 £3,850,000 £21,038 £3,264,891 £17,841
Apr 2008 £2,130,000 £11,639 £3,268,559 £17,861
Feb 2002 £920,000 £5,027 £2,421,875 £13,234

Calculated using the latest EPC internal area of 183 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 £3,264,891. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Sloane Square are now selling for between £15,070 and £20,470 per square metre (£1,400 and £1,901 per square foot). Based on an internal area of 183 m², this implies a valuation between £2,758,000 and £3,746,000. 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
3
Type
Terrace
Council tax band
H
Plot size
70 square metres (753 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived rental listing for 23 Radnor Walk. Advertised on multiple portals. It was added on 16/06/2023. It last appeared Sep 2023.
Photos:

There are 19 archived estate agent listing photos for 23 Radnor Walk.

Photos for 23 Radnor Walk
View photos
Advertiser remarks:
  • 4 bedrooms
  • 3 bathrooms
Planning applications
Planning ref:
October 2015 PP/15/05092
Type:
Full and householder planning application
Status:
Application approved
Address:
23 Radnor Walk, LONDON,
Description:
Installation of stair to front lightwell connecting ground floor to basement and rear extension of first and second floor closet wing

Planning ref:
August 2009 PP/09/01264
Type:
Full and householder planning application
Status:
Application refused
Address:
23 Radnor Walk, LONDON,
Description:
Extension to the basement with new front and rear lightwells to include ground floor alterations.

Planning ref:
July 2008 PP/08/00563
Type:
Full and householder planning application
Status:
Application approved
Address:
23 Radnor Walk, LONDON,
Description:
Extension to existing basement with new front and rear lightwells and erection of a ground floor rear extension.

Planning ref:
July 2001 PP/01/01031
Type:
Full and householder planning application
Status:
Application withdrawn before a decision was taken
Address:
23 Radnor Walk, LONDON,
Description:
Formation of new lightwells on front and rear elevation and enlargement of existing basement.
EPC Inspections
Summary:
18 August 2022 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Social rental
Property type:
Mid-Terrace House , has 6 habitable rooms. Estimated year built before 1900
Area:
179 sqm (1,927 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 100 mm loft insulation. Heating: Boiler and radiators, mains gas.

Summary:
06 July 2012 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Unknown
Property type:
Mid-Terrace House , has 6 habitable rooms. Estimated year built before 1900
Area:
183 sqm (1,970 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 100 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

23 Radnor Walk 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 £3,264,891.
  • Based on an internal area of 183 m² and recent prices in Sloane Square, this implies a lower and upper quartile range from £2,758,000 to £3,746,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 23 Radnor Walk last sold for £3,850,000 in June 2022.

HouseMetric shows 23 Radnor Walk as 183 m² (1,970 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 3 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 C, from an inspection dated 18 August 2022. EPC information comes from the public Energy Performance Certificate data for England and Wales.

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

23 Radnor Walk is in postcode SW3 4BP, in Sloane Square. You can also view HouseMetric's sold-price page for Radnor Walk, SW3 4BP or analysis of the Sloane Square 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.