17 Onslow Mews West, Kensington And Chelsea, London, SW7 3AF

17 Onslow Mews West is a four-bedroom mid-terrace house in Kensington And Chelsea, London, London (SW7 3AF). It has a recorded floor area of 147 m² (around 1582 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (February 2025) shows a C (score 73). When first surveyed in November 2009 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to B (score 87).

At 147 m² the property is well over the postcode median (109 m² across 11 EPCs), placing it in the larger end of the local stock. 5 planning records sit against the property, 3 approved, 2 refused. Past consents include a basement excavation, meaningful when judging how the property has evolved. Across 2000–2018, sale prices on this property compounded at 19.3% per year. Today's modelled estimate of £3,210,000 is 39.6% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£1,454/sq ft) was about 283% above the typical sold price in the postcode. Last changed hands 8 years ago, in January 2018.