3 Basing Street, Kensington And Chelsea, London, W11 1EN

3 Basing Street is a three-bedroom end-of-terrace house in Kensington And Chelsea, London, London (W11 1EN). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to before 1900 and council tax band D. At 37 m² this is the smallest unit on EPC record across the building (37–132 m²). The building's EPC ratings span E to C across 8 units on file. Other recorded features include a conservatory. The latest certificate (October 2025) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2010); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Good to Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 74).

It hasn't traded since September 2004, a hold of 22 years that's notably long for the area. Sale prices here have outpaced London HPI: 11.1% per year against 0% for the wider region. Today's modelled estimate of £649,000 sits 114.5% above the 2004 sale of £302,500. On a £-per-square-foot basis, the last sale (£760/sq ft) was about 39.1% above the typical sold price in the postcode. At 37 m² it's 16.9% smaller than the typical home in the postcode (45 m² median across 14 EPCs).