23 Holley Road, Hammersmith And Fulham, London, W3 7TR

23 Holley Road is a semi-detached house in Hammersmith And Fulham, London, London (W3 7TR). It has a recorded floor area of 29 m² (around 312 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (January 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2009. Between certificates, hot-water efficiency dropped from Average to Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity. At 29 m² this is the 4th smallest of 32 units on EPC record in the building, where floor areas span 28–46 m². The building's EPC ratings span E to C across 32 units on file.

Sale prices here have outpaced London HPI: 6.9% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£881/sq ft) was about 99% above the typical sold price in the postcode. On the market in June 2015 and unlisted since — roughly 11 years. Across the public record there are 4 sales, relatively high churn for a single property. 4 planning records sit against the property, 2 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved. At 29 m² it's 25.6% smaller than the typical home in the postcode (39 m² median across 31 EPCs).