23 Markham Street, Kensington And Chelsea, London, SW3 3NP

23 Markham Street is a four-bedroom mid-terrace house in Kensington And Chelsea, London, London (SW3 3NP). It has a recorded floor area of 159 m² (around 1711 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (July 2023) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in April 2009 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 80). Period features are noted in the property record.

Held since July 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced London HPI: 14.2% per year against 0% for the wider region. Today's modelled estimate of £3,014,000 is 39.2% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£1,265/sq ft) was about 49.2% above the typical sold price in the postcode. One planning record on file: an extension approved in 2003. Past consents include an extension, meaningful when judging how the property has evolved. At 159 m² it's 21.8% larger than the typical home in the postcode (131 m² median across 22 EPCs).