9 Dukes Lane Chambers, Dukes Lane, Kensington And Chelsea, London, W8 4JN

9 Dukes Lane Chambers is an end-of-terrace house in Kensington And Chelsea, London, London (W8 4JN). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to 1996-2002 and council tax band D. At 30 m² this is the 3rd smallest of 10 units on EPC record in the building, where floor areas span 26–40 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (74 versus a worst of 42). The latest certificate (March 2023) shows a C (score 74). When first surveyed in December 2008 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.

Sale prices here have outpaced London HPI: 18.1% per year against 0% for the wider region. Today's modelled estimate of £378,000 is 30.6% below the 2016 sale of £545,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£1,688/sq ft) was about 70.7% above the typical sold price in the postcode. One planning record on file: new windows approved in 2024. Past consents include new windows, meaningful when judging how the property has evolved. On the market in September 2016 and unlisted since — roughly 10 years. At 30 m² it's 16.7% smaller than the typical home in the postcode (36 m² median across 9 EPCs).