Property data
Sale history
Date Paid price Annual growth After inflation
Jul 1999 £1,200,000 76.8% 74.7%
Sep 1998 £750,000 na na
Internal area
200 square metres (2,153 square feet) according to latest EPC inspection
Price per internal area

This property sold for £6,000 per square metre (£557 per square foot) in Jul 1999. Indexed forward to today's value, this is roughly £23,118 per square metre (£2,148 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jul 1999 £1,200,000 £6,000 £4,623,697 £23,118
Sep 1998 £750,000 £3,750 £3,269,265 £16,346

Calculated using the latest EPC internal area of 200 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 £4,623,697. 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 £14,790 and £23,050 per square metre (£1,374 and £2,141 per square foot). Based on an internal area of 200 m², this implies a valuation between £2,958,000 and £4,610,000. 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
100 square metres (1,076 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
September 2024 PP/24/05243
Type:
Full and householder planning application
Status:
Application approved
Address:
15 First Street, LONDON,
Description:
Installation of fixed walk on rooflight over basement lightwell to form terrace at ground floor level.

Planning ref:
December 2020 PP/20/05754
Type:
Full and householder planning application
Status:
Application approved
Address:
15 First Street, LONDON,
Description:
Replacement of flushed glazed roof lights with timber framed glazed roof lanterns on ground floor flat roof; and replacement of front light well external timer staircase with black painted metal ladder stair

Planning ref:
November 2019 CON/19/06646
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved with conditions
Address:
15 First Street, LONDON,
Description:
Details required by Condition 11 (Submission of details - Drainage strategy report) of planning permission PP/19/00713 (Erection of rear ground floor extension and basement extension)

Planning ref:
November 2019 CON/19/06685
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved with conditions
Address:
15 First Street, LONDON,
Description:
Details required by condition 6 (Construction Traffic Management Plan (CTMP)) of planning permission 19/00713 (Erection of rear ground floor extension and basement extension)

Planning ref:
November 2019 CON/19/06674
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved with conditions
Address:
15 First Street, LONDON,
Description:
Details required by Condition 7 (Professional Management of Engineering Works) of planning permission PP/19/00713 (Erection of rear ground floor extension and basement extension)

Planning ref:
June 2019 PP/19/00713
Type:
Full and householder planning application
Status:
Application approved
Address:
15 First Street, LONDON,
Description:
Erection of rear ground floor extension and basement extension.

Planning ref:
October 2018 PP/18/04628
Type:
Full and householder planning application
Status:
Application refused
Address:
15 First Street, LONDON,
Description:
Erection of rear ground floor extension and rear basement extension

Planning ref:
April 2018 PP/18/01110
Type:
Full and householder planning application
Status:
Application refused
Address:
15 First Street, LONDON,
Description:
Single storey rear extension at ground floor level with timber framed sliding folding doors to lead to decked terrace and pitched roof with roof lights; formation of glass bridge with metal balustrade to lead to rear gate at ground floor; basement extension to rear under footprint of proposed ground floor with lightwell and tiled rear patio
EPC Inspections
Summary:
21 November 2018 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Non-marketed sale
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 6 habitable rooms. Estimated year built before 1900
Area:
200 sqm (2,153 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

15 First 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 £4,623,697.
  • Based on an internal area of 200 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £2,958,000 to £4,610,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 15 First Street last sold for £1,200,000 in July 1999.

HouseMetric shows 15 First Street as 200 m² (2,153 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 D, from an inspection dated 21 November 2018. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 15 First Street was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

15 First Street is in postcode SW3 2LB, in South Kensington. You can also view HouseMetric's sold-price page for First Street, SW3 2LB 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.