4, First Street, SW3 2LD

4 First Street is a 139 m² / 1,496 sq ft flat in South Kensington. It sold for £650,000 in April 2015. Indexed forward to today's value, that sale is roughly £658k. Recent local prices imply a broad valuation context of £2,056k to £3,204k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.

Property data
Sale history
£650,000 on Apr 2015
Floor plan

Archived estate agent floor plan for 4, First Street.

Floorplan 4
View floorplan
Internal area
139 square metres (1,496 square feet) according to latest EPC inspection
Price per internal area

This property sold for £4,676 per square metre (£434 per square foot) in Apr 2015. Indexed forward to today's value, this is roughly £4,733 per square metre (£440 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Apr 2015 £650,000 £4,676 £657,930 £4,733

Calculated using the latest EPC internal area of 139 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 £657,930. 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 139 m², this implies a valuation between £2,056,000 and £3,204,000. 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
Flat
Council tax band
H
Archived listings
History:
Archived rental listing for 4 First Street. Advertised on multiple portals. It was reduced on 23/10/2024. It last appeared Nov 2024.
Photos:

There are 8 archived estate agent listing photos for 4 First Street.

Photos for 4 First Street
View photos
Advertiser remarks:
  • 3 bedrooms
  • 2 bathrooms
Planning applications
Planning ref:
October 2023 CON/23/05443
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved with conditions
Address:
4 First Street, LONDON,
Description:
Details required by condition 2 (Provide cycle storage) of planning permission 22/06860 (Internal subdivision to create one-bedroomed dwelling at lower ground floor level and 3-bedroomed self-contained dwelling on ground, first and second floor levels.)
Planning ref:
July 2023 PP/22/06860
Type:
Full and householder planning application
Status:
Application approved with conditions
Address:
4 First Street, LONDON,
Description:
Internal subdivision to create one-bedroomed dwelling at lower ground floor level and 3-bedroomed self-contained dwelling on ground, first and second floor levels.
Planning ref:
April 2016 PP/15/07844
Type:
Full and householder planning application
Status:
Application approved
Address:
4 First Street, LONDON,
Description:
Addition of single storey conservatory style rear extension at ground level to provide a kitchen with access to patio garden. Opening of lightwell to rear, down to lower ground level. Roof alteration to form mansarded pitch to front elevation, with dormer sash windows behind high parapet. Replacement sash windows in openings at front elevation. Replacement of front steps up to ground floor entrance.
EPC Inspections
Summary:
08 July 2024 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Owner-occupied
Property type:
Maisonette , has 5 habitable rooms. Estimated year built 1900 to 1929
Area:
98 sqm (1,055 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.
Summary:
10 July 2014 - 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 5 habitable rooms. Estimated year built before 1900
Area:
139 sqm (1,496 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

4 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 £657,930.
  • Based on an internal area of 139 m² and recent prices in South Kensington, this implies a lower and upper quartile range from £2,056,000 to £3,204,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 4 First Street last sold for £650,000 in April 2015.

HouseMetric shows 4 First Street as 139 m² (1,496 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 July 2024. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 4 First Street was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

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