Flat 4, 23 Down Street, London, W1J 7AR is a leasehold flat built before 1900. The property offers approximately 1,485 square feet of living space and is situated on the 2nd floor of a 1-storey building. In this location, apartments of similar size usually have five bedrooms.
The estimated current market value of the property is £1,697,333 , which equates to approximately £1,143 per square foot. It was last sold on 12 Jan 2002 for £670,000. Since then, the value has increased by £1,027,333, representing a 153.3% increase, or approximately 6.3% per year.
The current estimated value of £1,697,333 is:
This property has had 2 EPC inspections with recorded tenure information. It was recorded once as rented and once as owner-occupied, indicating a change in how it was used over time.
At the most recent EPC inspection on 7 April 2026, the property was recorded as rented.
Flat 4, 23 Down Street, London, City Of Westminster, Greater London, W1J 7AR has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 7 Apr 2026.
This property is heated by a shared community system (community scheme). Community heating means the heat is supplied from a central source serving multiple homes. A community heating scheme is used to provide hot water. The windows are single glazed.
The previous EPC assessment was conducted on 6 Jul 2009, when the property was rated D. Since then, the rating has improved to C, with the energy efficiency score increasing by 15.2%.
Since the previous assessment, several changes were observed:
* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.
This property has very low flood risk from rivers and the sea.
River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.
This property has high surface water flood risk.
Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.
The property at Flat 4, 23 Down Street, London, W1J 7AR appears four times in HM Land Registry records, with the latest transaction recorded on 12 Jan 2002. It also has two Energy Performance Certificate (EPC) records, the earliest dating back to 7 Apr 2026. We use this information to estimate the property's characteristics, flood risk profile and current market value.
This website uses public sector information from:
HM Land Registry Price Paid Data
Energy Performance of Buildings Data published by the Department for Energy Security and Net Zero (DESNZ) and the Ministry of Housing, Communities and Local Government (MHCLG).
Flood risk data supplied by the Environment Agency through the Department for Environment, Food & Rural Affairs (Defra) Data Services Platform.
These datasets are licensed under the Open Government Licence v3.0 .
StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.