Property data
Sale history
Date Paid price Annual growth After inflation
Jun 2021 £1,025,000 4.3% 2.2%
Dec 2007 £580,000 na na
Internal area
89 square metres (958 square feet) according to latest EPC inspection
Price per internal area

This property sold for £11,516 per square metre (£1,070 per square foot) in Jun 2021. Indexed forward to today's value, this is roughly £10,979 per square metre (£1,020 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jun 2021 £1,025,000 £11,517 £977,161 £10,979
Dec 2007 £580,000 £6,517 £893,473 £10,039

Calculated using the latest EPC internal area of 89 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 £977,161. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Knightsbridge are now selling for between £15,740 and £23,040 per square metre (£1,462 and £2,140 per square foot). Based on an internal area of 89 m², this implies a valuation between £1,401,000 and £2,051,000. 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
na
Type
Flat
Council tax band
na
Planning applications
Planning ref:
October 2024 CON/24/05894
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved with conditions
Address:
Flat 4, 3 Sloane Terrace, LONDON,
Description:
Details required by Condition 3 (Submission of details) of listed building consent 24/04227 (Minor internal changes at third and fourth floor levels)

Planning ref:
August 2024 LB/24/04227
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
Flat 4, 3 Sloane Terrace, LONDON,
Description:
Minor internal changes at third and fourth floor levels.
EPC Inspections
Summary:
12 February 2020 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Private rental
Property type:
3rd floor flat on the top floor in an apartment block with 1 storeys , has 3 habitable rooms. Estimated year built before 1900
Area:
89 sqm (958 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.

Summary:
20 October 2009 - energy performance certificate grade D
Reason for EPC:
None
Tenure:
Private rental
Property type:
None , has 3 habitable rooms. Estimated year built None to None
Area:
73 sqm (786 square foot) total internal area
Comments:
Frequently asked questions

Flat 4 3 Sloane Terrace 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 £977,161.
  • Based on an internal area of 89 m² and recent prices in Knightsbridge, this implies a lower and upper quartile range from £1,401,000 to £2,051,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, Flat 4 3 Sloane Terrace last sold for £1,025,000 in June 2021.

HouseMetric shows Flat 4 3 Sloane Terrace as 89 m² (958 sq ft), based on the latest internal area data available for this property.

The latest EPC rating shown by HouseMetric is D, from an inspection dated 12 February 2020. EPC information comes from the public Energy Performance Certificate data for England and Wales.

Flat 4 3 Sloane Terrace is in postcode SW1X 9DQ, in Knightsbridge. You can also view HouseMetric's sold-price page for Sloane Terrace, SW1X 9DQ or analysis of the Knightsbridge 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.