23a, Collingbourne Road, Hammersmith And Fulham, London, W12 0JG

23a is a four-bedroom mid-terrace house in Hammersmith And Fulham, London, London (W12 0JG). It has a recorded floor area of 75 m² (around 807 sq ft) and construction records dating it to 1900-1929. At 75 m² this is the 27th smallest of 48 units on EPC record in the building, where floor areas span 32–136 m². The building's EPC ratings span E to C, with this unit at the top. Other recorded features include a balcony. The latest certificate (March 2024) shows a C (score 71). The rating has held steady at C across 2 certificates since April 2014. Between certificates, window efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Average.

9 years since the last transfer (November 2017). Across the public record there are 5 sales, relatively high churn for a single property. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1996–2017, sale prices on this property compounded at 11.1% per year. On a £-per-square-foot basis, the last sale (£1,016/sq ft) was about 175.3% above the typical sold price in the postcode.