42, Smith Street, SW3 4EP

42 Smith Street is a 228 m² / 2,454 sq ft terraced home in Sloane Square. It sold for £4,420,999 in February 2021. Indexed forward to today's value, that sale is roughly £4,558k. Recent local prices imply a broad valuation context of £3,436k to £4,667k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.

Property data
Sale history
£4,420,999 on Feb 2021
Internal area
228 square metres (2,454 square feet) according to latest EPC inspection
Price per internal area

This property sold for £19,390 per square metre (£1,801 per square foot) in Feb 2021. Indexed forward to today's value, this is roughly £19,990 per square metre (£1,857 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Feb 2021 £4,420,999 £19,390 £4,557,737 £19,990

Calculated using the latest EPC internal area of 228 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 £4,557,737. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Sloane Square are now selling for between £15,070 and £20,470 per square metre (£1,400 and £1,901 per square foot). Based on an internal area of 228 m², this implies a valuation between £3,436,000 and £4,667,000. 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
200 square metres (2,153 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
December 2021 PP/21/06802
Type:
Full and householder planning application
Status:
Application approved
Address:
42 Smith Street, LONDON,
Description:
Reconfiguration of rear extension and internal alterations including new openings at lower ground floor, installation of french windows to upper ground floor with cast iron spiral staircase providing access to garden, extension of original closet wing by two storeys, reduce first floor balcony size and reposition dormer window.
EPC Inspections
Summary:
05 November 2020 - 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 8 habitable rooms. Estimated year built before 1900
Area:
228 sqm (2,454 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 100 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

42 Smith 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 £4,557,737.
  • Based on an internal area of 228 m² and recent prices in Sloane Square, this implies a lower and upper quartile range from £3,436,000 to £4,667,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 42 Smith Street last sold for £4,420,999 in February 2021.

HouseMetric shows 42 Smith Street as 228 m² (2,454 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 05 November 2020. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 42 Smith Street was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

42 Smith Street is in postcode SW3 4EP, in Sloane Square. You can also view HouseMetric's sold-price page for Smith Street, SW3 4EP or analysis of the Sloane Square 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.