9, First Street, SW3 2LB

9 First Street is a 138 m² / 1,485 sq ft terraced home in South Kensington. It sold for £3,850,000 in July 2019. Indexed forward to today's value, that sale is roughly £3,943k. Recent local prices imply a broad valuation context of £2,041k to £3,181k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
Jul 2019 £3,850,000 2.3% 0.2%
Jan 2010 £3,100,000 11.7% 9.2%
May 2004 £1,650,000 15.4% 13.7%
Jun 1998 £700,000 na na
Floor plan

Archived estate agent floor plan for 9, First Street.

Floorplan 9
View floorplan
Internal area
138 square metres (1,485 square feet) according to latest EPC inspection
Price per internal area

This property sold for £27,898 per square metre (£2,592 per square foot) in Jul 2019. Indexed forward to today's value, this is roughly £28,574 per square metre (£2,655 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jul 2019 £3,850,000 £27,899 £3,943,195 £28,574
Jan 2010 £3,100,000 £22,464 £4,012,435 £29,076
May 2004 £1,650,000 £11,957 £3,898,777 £28,252
Jun 1998 £700,000 £5,072 £2,903,659 £21,041

Calculated using the latest EPC internal area of 138 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 £3,943,195. 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 138 m², this implies a valuation between £2,041,000 and £3,181,000. 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
4
Type
Terrace
Council tax band
H
Plot size
78 square metres (840 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 9 First Street. Advertised on multiple portals. It was added on 08/03/2019. It last appeared Sep 2019.
Photos:

There are 8 archived estate agent listing photos for 9 First Street.

Photos for 9 First Street
View photos
Advertiser remarks:
  • 4 bedrooms
  • 4 bathrooms
Planning applications
Planning ref:
December 2019 PP/19/07131
Type:
Full and householder planning application
Status:
Application approved
Address:
9 First Street, LONDON,
Description:
Installation of two external air conditioning units with acoustic enclosures to roof level
Planning ref:
October 2019 PP/19/05911
Type:
Full and householder planning application
Status:
Application withdrawn before a decision was taken
Address:
9 First Street, LONDON,
Description:
Installation of two external air conditioning units to roof level. ***WITHDRAWN***
EPC Inspections
Summary:
30 April 2026 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 6 habitable rooms. Estimated year built before 1900
Area:
171 sqm (1,841 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:
18 November 2009 - energy performance certificate grade E
Reason for EPC:
None
Tenure:
Owner-occupied
Property type:
None , has 7 habitable rooms. Estimated year built before 1900
Area:
138 sqm (1,485 square foot) total internal area
Comments:
Summary:
06 November 2008 - energy performance certificate grade F
Reason for EPC:
None
Tenure:
Social rental
Property type:
None , has 6 habitable rooms. Estimated year built before 1900
Area:
141 sqm (1,518 square foot) total internal area
Comments:
Frequently asked questions

9 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 £3,943,195.
  • Based on an internal area of 138 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £2,041,000 to £3,181,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 9 First Street last sold for £3,850,000 in July 2019.

HouseMetric shows 9 First Street as 138 m² (1,485 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 4 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 30 April 2026. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 9 First Street was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

9 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.