14b, Collingbourne Road, Hammersmith And Fulham, London, W12 0JQ

14b is a mid-terrace house in Hammersmith And Fulham, London, London (W12 0JQ). It has a recorded floor area of 31 m² (around 334 sq ft) and construction records dating it to 1900-1929. At 31 m² this is the smallest unit on EPC record across the building (31–135 m²). The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (41 versus a best of 81). The latest certificate (June 2024) shows an E (score 41), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2012); the latest reading is one band lower. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Very Poor to Poor; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity.

At 31 m² it sits well below the postcode median (72 m² across 62 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £297,000 is 20.7% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£737/sq ft) was about 92.7% above the typical sold price in the postcode. On the market in January 2013 and unlisted since — roughly 13 years.