15 Marlborough Street, Kensington And Chelsea, London, SW3 3PS

15 Marlborough Street is a five-bedroom end-of-terrace house in Kensington And Chelsea, London, London (SW3 3PS). It has a recorded floor area of 146 m² (around 1572 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (January 2019) shows a D (score 57), a step below the typical UK home. When first surveyed in March 2009 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Poor; while hot-water efficiency dropped from Very Good to Good and lighting dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a self-contained annexe.

Sale prices here have outpaced London HPI: 7.2% per year against 0% for the wider region. Today's modelled estimate of £3,872,000 is 40.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£1,753/sq ft) was about 182.4% above the typical sold price in the postcode. 3 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and a basement excavation, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Sold February 2021 for £2,755,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.