18, Wellington Square, SW3 4NJ

18 Wellington Square is a 337 m² / 3,627 sq ft terraced home in Sloane Square. It sold for £1,260,000 in September 1996. Indexed forward to today's value, that sale is roughly £7,283k. Recent local prices imply a broad valuation context of £4,826k to £7,037k based on its internal area. The Land Registry and EPC data was last updated 1 November 2026.

Property data
Sale history
£1,260,000 on Sep 1996
Internal area
337 square metres (3,627 square feet) according to latest EPC inspection
Price per internal area

This property sold for £3,738 per square metre (£347 per square foot) in Sep 1996. Indexed forward to today's value, this is roughly £21,610 per square metre (£2,008 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Sep 1996 £1,260,000 £3,739 £7,282,577 £21,610

Calculated using the latest EPC internal area of 337 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 £7,282,577. 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 £14,320 and £20,880 per square metre (£1,330 and £1,939 per square foot). Based on an internal area of 337 m², this implies a valuation between £4,826,000 and £7,037,000. 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
5
Type
Terrace
Council tax band
H
Plot size
121 square metres (1,302 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
December 2009 CON/08/00806
Type:
Unknown type
Status:
Application approved with conditions
Address:
18 Wellington Square, LONDON
Description:
Details of window, doors & rooflight submitted in accordance with condition 5 (A&B) of listed building consent dated 02.10.2008
Planning ref:
October 2008 LB/08/00839
Type:
Heritage application - conservation issues and listed buildings
Status:
Application withdrawn before a decision was taken
Address:
18 Wellington Square, LONDON
Description:
Internal alterations including removal of earlier alterations; erection of additional storey to rear extension. ***WITHDRAWN***
Planning ref:
October 2008 PP/08/00805
Type:
Full and householder planning application
Status:
Application withdrawn before a decision was taken
Address:
18 Wellington Square, LONDON
Description:
Installation of rooflight at rear at first floor level, replacement windows at rear, and internal alterations. ***WITHDRAWN***
Planning ref:
October 2008 PP/08/00838
Type:
Full and householder planning application
Status:
Application withdrawn before a decision was taken
Address:
18 Wellington Square, LONDON
Description:
Internal alterations including removal of earlier alterations; erection of additional storey to rear extension. ***WITHDRAWN***
Planning ref:
October 2008 LB/08/00806
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
18 Wellington Square, LONDON
Description:
Installation of rooflight at rear at first floor level and replacement windows at the front (third floor level) and rear (all floor levels), and internal alterations.
EPC Inspections
Summary:
14 December 2023 - energy performance certificate grade E
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:
337 sqm (3,627 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 200 mm loft insulation. Heating: Boiler and underfloor, mains gas.
Frequently asked questions

18 Wellington Square 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 £7,282,577.
  • Based on an internal area of 337 m² and recent prices in Sloane Square, this implies a lower and upper quartile range from £4,826,000 to £7,037,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 18 Wellington Square last sold for £1,260,000 in September 1996.

HouseMetric shows 18 Wellington Square as 337 m² (3,627 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 5 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 E, from an inspection dated 14 December 2023. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 18 Wellington Square was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

18 Wellington Square is in postcode SW3 4NJ, in Sloane Square. You can also view HouseMetric's sold-price page for Wellington Square, SW3 4NJ 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 November 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.