Property data
Sale history
Date Paid price Annual growth After inflation
Mar 2021 £5,400,000 -0.0% -1.6%
Mar 2015 £5,400,016 na na
Floor plan

Archived estate agent floor plan for 18, Radnor Walk.

Floorplan 18
View floorplan
Internal area
204 square metres (2,196 square feet) according to latest EPC inspection
Price per internal area

This property sold for £26,470 per square metre (£2,459 per square foot) in Mar 2021. Indexed forward to today's value, this is roughly £27,289 per square metre (£2,535 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Mar 2021 £5,400,000 £26,471 £5,567,018 £27,289
Mar 2015 £5,400,016 £26,471 £4,998,849 £24,504

Calculated using the latest EPC internal area of 204 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 £5,567,018. 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 204 m², this implies a valuation between £3,074,000 and £4,176,000. 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
89 square metres (958 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived rental listing for 18 Radnor Walk. Advertised on multiple portals. It was added on 29/07/2024. It last appeared Nov 2024.
Photos:

There are 14 archived estate agent listing photos for 18 Radnor Walk.

Photos for 18 Radnor Walk
View photos
Advertiser remarks:
  • 4 bedrooms
  • 4 bathrooms
Planning applications
Planning ref:
November 2010 PP/10/02950
Type:
Full and householder planning application
Status:
Application approved
Address:
18 Radnor Walk, LONDON
Description:
Erection of rear extension at 1st floor level.
EPC Inspections
Summary:
08 April 2025 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Private rental
Property type:
Mid-Terrace House , has 6 habitable rooms. Estimated year built 1900 to 1929
Area:
232 sqm (2,497 square foot) total internal area
Comments:
Walls: Solid brick, with internal insulation. Roof: Flat, insulated (assumed). Heating: Boiler and underfloor, mains gas.

Summary:
05 March 2015 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Unknown
Property type:
Mid-Terrace House , has 7 habitable rooms. Estimated year built before 1900
Area:
204 sqm (2,196 square foot) total internal area
Comments:
Walls: Solid brick, with internal insulation. Roof: Pitched, insulated at rafters. Heating: Boiler and underfloor, mains gas.

Summary:
30 January 2013 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Unknown
Property type:
Mid-Terrace House , has 4 habitable rooms. Estimated year built before 1900
Area:
120 sqm (1,292 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

18 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 £5,567,018.
  • Based on an internal area of 204 m² and recent prices in Sloane Square, this implies a lower and upper quartile range from £3,074,000 to £4,176,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 18 Radnor Walk last sold for £5,400,000 in March 2021.

HouseMetric shows 18 Radnor Walk as 204 m² (2,196 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 08 April 2025. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 18 Radnor Walk was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

18 Radnor Walk is in postcode SW3 4BN, in Sloane Square. You can also view HouseMetric's sold-price page for Radnor Walk, SW3 4BN 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.