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Get startedBasement Flat is a property in London (SW1X 0JU).
Sale prices here have outpaced London HPI: 15.4% per year against 0% for the wider region. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. On the market in April 2015 and unlisted since — roughly 11 years.
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Extension: Single storey · Rear of property
Erection of single storey extension at rear and internal alterations.
Basement Flat has more than quadrupled in price since its earliest registered sale in 2003.
£3,837,200
Growth on file: 15.4% per year over 11 years.
20 April 2015Most recent
£3,837,200
+199.8%over 9 yearsEverything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Pont Street — bus stop.

Daytime· 07:00 – 23:00
58.2dB

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Secure checkout · One-off payment

Extension: Single storey · Rear of property
Erection of single storey extension at rear and internal alterations
10 October 2005
£1,280,000
+70.7%over 1 year14 November 2003
£750,000
Median price across the last 5 sales in SW1X 0JU: £3,046,000 (2025–2018).
Second Floor Flat 12 Cadogan Square London
Sold Oct 2025
Flat 4 10 Cadogan Square London
Sold Jul 2022
Third Floor Flat 12 Cadogan Square London
Sold Feb 2022
16a Cadogan Square Kensington And Chelsea London
Sold Jan 2018
14 Cadogan Square Kensington And Chelsea London
Sold Jul 2015
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

SW1X 0DG
Closest school
0.4 km
St Joseph's Catholic Primary School. 54 schools nearby.
Night-time· 23:00 – 07:00
47.8dB