23, Chester Square, SW1W 9HS
23 Chester Square is a 442 m² / 4,758 sq ft terraced home in Sloane Square. It sold for £795,000 in October 1995, recorded as a new-build sale. Indexed forward to today's value, that sale is roughly £3,718k. Recent local prices imply a broad valuation context of £4,469k to £9,790k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.
Property data
- Sale history
-
£795,000 on Oct 1995 New build New
- Floor plan
-
Archived estate agent floor plan for 23, Chester Square.
- Internal area
- 442 square metres (4,758 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £1,798 per square metre (£167 per square foot) in Oct 1995. Indexed forward to today's value, this is roughly £8,411 per square metre (£781 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Oct 1995 £795,000 £1,799 £3,717,874 £8,411 Calculated using the latest EPC internal area of 442 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 £3,717,874. 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 £10,110 and £22,150 per square metre (£939 and £2,057 per square foot). Based on an internal area of 442 m², this implies a valuation between £4,469,000 and £9,790,000. 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
- 6
- Type
- Terrace
- Council tax band
- H
Archived listings
Planning applications
- Planning ref:
- November 2021 21/02309/FULL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- 23 Chester Square Londo
- Description:
- Variation of Condition 1 of planning permission dated 06 August 2020 (RN: 20/03905/FULL) for the: Erection of a mansard roof extension, rear closet wing and ground floor infill extension, and the part reconstruction of the mews building (50 Eaton Mews South) including the installation of plant within the roof space (Site includes 50 Eaton Mews South) namely, to allow the omission of the proposed chimney, amendment to closet wing roof parapet treatment and changes to closet wing roofing material.
- Planning ref:
- August 2020 20/03905/FULL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- 23 Chester Square Londo
- Description:
- Variation of condition 1 of planning permission dated 6 February 2020 (RN 19/09785/FULL) for the: Erection of a mansard roof extension, rear closet wing and ground floor infill extension, and the part reconstruction of the mews building (50 Eaton Mews South) including the installation of plant within the roof space (Site includes 50 Eaton Mews South) NAMELY, to vary the approved drawing numbers to allow for the reconciliation of the approved plan and elevation of 50 Eaton Mews South, and minor amendments to window head arches to elevation of 50 Eaton Mews South, and new garage door within approved opening.
- Planning ref:
- August 2020 20/03913/LBC
- Type:
- Heritage application - conservation issues and listed buildings
- Status:
- Application approved
- Address:
- 23 Chester Square Londo
- Description:
- Variation of condition 1 of listed building consent dated 6 February 2020 (RN 19/09810/LBC) for the Erection of a mansard roof extension, rear closet wing and ground floor infill extension, and the part reconstruction of the mews building (50 Eaton Mews South) including the installation of plant within the roof space (Site includes 50 Eaton Mews South); NAMELY, to vary the approved drawing numbers to allow for the reconciliation of the approved plan and elevation of 50 Eaton Mews South, and amendments to window head arches to elevation of 50 Eaton Mews South, and new garage door within approved opening.
- Planning ref:
- May 2020 20/02347/ADLBC
- Type:
- Discharge of conditions imposed on an existing application
- Status:
- Application approved
- Address:
- 23 Chester Square Londo
- Description:
- Details showing any existing satellite dishes and aerials at main roof level and any proposed satellite dishes, aerials and/or similar equipment at main roof level pursuant to condition 6(ii) of planning permission dated 06 February 2020 (RN: 19/09810/LBC).
- Planning ref:
- April 2020 20/02023/LBC
- Type:
- Heritage application - conservation issues and listed buildings
- Status:
- Application withdrawn before a decision was taken
- Address:
- 23 Chester Square Londo
- Description:
- Erection of extension at ground floor level in rear lightwell of No. 23 Chester Square (Site includes 50 Eaton Mews South).
- Planning ref:
- April 2020 20/02257/ADLBC
- Type:
- Discharge of conditions imposed on an existing application
- Status:
- Application approved
- Address:
- 23 Chester Square Londo
- Description:
- Details of all new external windows and doors, rooflights, and roof lanterns pursuant to condition 5 of listed building consent dated 6 February 2020 (RN: 19/09810).
- Planning ref:
- March 2020 20/01420/ADFULL
- Type:
- Discharge of conditions imposed on an existing application
- Status:
- Application approved
- Address:
- 23 Chester Square Londo
- Description:
- Detailed drawings of proposed new rear mansard and dormer windows pursuant to Condition 4(i) (part-discharge) of planning permission dated 6 February 2020 (RN: 19/09785).
- Planning ref:
- March 2020 20/01500/ADLBC
- Type:
- Discharge of conditions imposed on an existing application
- Status:
- Application approved
- Address:
- 23 Chester Square Londo
- Description:
- Detailed drawings of proposed new rear mansard and dormer windows, pursuant to Condition 6(i) (part-discharge) of listed building consent dated 6 February 2020 (RN: 19/09810).
- Planning ref:
- February 2020 19/09785/FULL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- 23 Chester Square Londo
- Description:
- Variation of Condition 1 of planning permission dated 26 November 2019 (RN: 19/02831/FULL) for the: Erection of a mansard roof extension, rear closet wing and ground floor infill extension, and the part reconstruction of the mews building (50 Eaton Mews South) including the installation of plant within the roof space (Site includes 50 Eaton Mews South) namely, to allow correction of drawing discrepancy between approved plans and elevations.
- Planning ref:
- February 2020 19/09810/LBC
- Type:
- Heritage application - conservation issues and listed buildings
- Status:
- Application approved
- Address:
- 23 Chester Square Londo
- Description:
- Variation of condition 1 of listed building consent dated 26 November 2019 (RN: 19/02832/LBC) for the: Erection of a mansard roof extension, rear closet wing and ground floor infill extension, and the part reconstruction of the mews building (50 Eaton Mews South) including the installation of plant within the roof space (Site includes 50 Eaton Mews South); namely, to allow correction of drawing discrepancy between approved plans and elevations.
EPC Inspections
- Summary:
- 04 July 2018 - 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 12 habitable rooms. Estimated year built before 1900
- Area:
- 442 sqm (4,758 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas, Boiler and radiators, mains gas.
- Summary:
- 24 July 2009 - energy performance certificate grade E
- Reason for EPC:
- None
- Tenure:
- Owner-occupied
- Property type:
- None , has 11 habitable rooms. Estimated year built before 1900
- Area:
- 398 sqm (4,284 square foot) total internal area
- Comments:
Frequently asked questions
23 Chester 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 £3,717,874.
- Based on an internal area of 442 m² and recent prices in Sloane Square, this implies a lower and upper quartile range from £4,469,000 to £9,790,000, using HouseMetric's implied valuation methodology.
According to HM Land Registry price paid data, 23 Chester Square last sold for
£795,000 in
October 1995. The transaction was recorded as a new-build sale.
HouseMetric shows 23 Chester Square as 442 m²
(4,758 sq ft), based on the latest internal area data available for this property.
The bedroom count is shown as 6 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 04 July 2018.
EPC information comes from the public Energy Performance Certificate data for England and Wales.
When we last checked, 23 Chester Square was in council tax band H.
Council Tax bands can change, so check the latest
Valuation Office Agency Council Tax list.
23 Chester Square is in postcode SW1W 9HS, in Sloane Square.
You can also view HouseMetric's sold-price page for
Chester Square, SW1W 9HS
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.