12, Cowley Street, SW1P 3LZ
12 Cowley Street is a 168 m² / 1,808 sq ft terraced home in Westminster. It sold for £2,750,000 in September 2012. Indexed forward to today's value, that sale is roughly £3,155k. Recent local prices imply a broad valuation context of £1,727k to £2,234k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.
- Sale history
-
£2,750,000 on Sep 2012
- Floor plan
-
Archived estate agent floor plan for 12, Cowley Street.
- Internal area
- 168 square metres (1,808 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £16,369 per square metre (£1,521 per square foot) in Sep 2012. Indexed forward to today's value, this is roughly £18,779 per square metre (£1,745 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Sep 2012 £2,750,000 £16,369 £3,154,860 £18,779 Calculated using the latest EPC internal area of 168 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 £3,154,860. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Westminster are now selling for between £10,280 and £13,300 per square metre (£955 and £1,235 per square foot). Based on an internal area of 168 m², this implies a valuation between £1,727,000 and £2,234,000. 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
- 94 square metres (1,012 square feet) - map showing freehold boundary lines
- Planning ref:
- August 2014 14/07073/NMA
- Type:
- Amendments or alterations arising from an existing or previous application
- Status:
- Application approved
- Address:
- 12 Cowley Street Londo
- Description:
- Amendments to planning permission dated 12 April 2013 (RN: 13/00907) for: Minor excavation and extensions to existing rear lower ground and erection of ground floor level extension including terrace at rear ground floor level. Alterations to party walls, relocation of main entrance along eastern flank wall at ground floor level, and erection of two photovoltaic panels at roof level namely, replacement portico to be constructed of timber with light fittings to the pilasters.
- Planning ref:
- June 2014 14/05465/ADFULL
- Type:
- Discharge of conditions imposed on an existing application
- Status:
- Application approved
- Address:
- 12 Cowley Street Londo
- Description:
- Details of all new windows and doors pursuant to Condition 5 of planning permission dated 12 April 2013 (RN: 13/00907).
- Planning ref:
- October 2013 13/08319/ADFULL
- Type:
- Discharge of conditions imposed on an existing application
- Status:
- Application approved
- Address:
- 12 Cowley Street Londo
- Description:
- Details of construction management plan pursuant to Condition 6 of planning permission dated 12 April 2013 (RN: 13/00907).
- Planning ref:
- July 2013 13/05560/NMA
- Type:
- Amendments or alterations arising from an existing or previous application
- Status:
- Application approved
- Address:
- 12 Cowley Street Londo
- Description:
- Amendments to planning permission dated 12 April 2013 (RN: 13/00907) for minor excavation and extensions to existing rear lower ground and erection of ground floor level extension, including terrace at rear ground floor level. Alterations to party walls, relocation of main entrance along eastern flank wall at ground floor level, and erection of two photovoltaic panels at roof level, namely, to remove a window in the basement lightwell and replace with a door.
- Planning ref:
- April 2013 13/00907/FULL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- 12 Cowley Street Londo
- Description:
- Minor excavation and extensions to existing rear lower ground and erection of ground floor level extension including terrace at rear ground floor level. Alterations to party walls, relocation of main entrance along eastern flank wall at ground floor level, and erection of two photovoltaic panels at roof level.
- Summary:
- 25 January 2011 - energy performance certificate grade E
- Reason for EPC:
- None
- Tenure:
- Owner-occupied
- Property type:
- None , has 9 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 168 sqm (1,808 square foot) total internal area
- Comments:
12 Cowley 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 £3,154,860.
- Based on an internal area of 168 m² and recent prices in Westminster, this implies a lower and upper quartile range from £1,727,000 to £2,234,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.