Property data
Sale history
Date Paid price Annual growth After inflation
Dec 2025 £722,500 1.2% -1.6%
Jul 2007 £575,000 11.8% 10.0%
Apr 1999 £230,000 na na
Internal area
53 square metres (570 square feet) according to latest EPC inspection
Price per internal area

This property sold for £13,632 per square metre (£1,266 per square foot) in Dec 2025. Indexed forward to today's value, this is roughly £13,401 per square metre (£1,245 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Dec 2025 £722,500 £13,632 £710,245 £13,401
Jul 2007 £575,000 £10,849 £891,161 £16,814
Apr 1999 £230,000 £4,340 £912,500 £17,217

Calculated using the latest EPC internal area of 53 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 £710,245. 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 £16,730 and £23,160 per square metre (£1,554 and £2,151 per square foot). Based on an internal area of 53 m², this implies a valuation between £887,000 and £1,227,000. 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
EPC Inspections
Summary:
08 September 2025 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
2nd floor flat in an apartment block with 1 storeys , has 2 habitable rooms. Estimated year built before 1900
Area:
53 sqm (570 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Boiler and radiators, mains gas.

Summary:
19 August 2011 - energy performance certificate grade E
Reason for EPC:
None
Tenure:
Private rental
Property type:
None , has 2 habitable rooms. Estimated year built before 1900
Area:
57 sqm (614 square foot) total internal area
Comments:
Frequently asked questions

First Floor Flat 6 Callow Street 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 £710,245.
  • Based on an internal area of 53 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £887,000 to £1,227,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, First Floor Flat 6 Callow Street last sold for £722,500 in December 2025.

HouseMetric shows First Floor Flat 6 Callow Street as 53 m² (570 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 08 September 2025. EPC information comes from the public Energy Performance Certificate data for England and Wales.

First Floor Flat 6 Callow Street is in postcode SW3 6BE, in South Kensington. You can also view HouseMetric's sold-price page for Callow Street, SW3 6BE 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 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.