3b, Bond Street, Ealing, London, W5 5AP

3b is a mid-terrace house in Ealing, London, London (W5 5AP). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1900-1929 and council tax band B. At 42 m² this is the smallest unit on EPC record across the building (42–140 m²). The building's EPC ratings span G to C across 16 units on file. The latest certificate (October 2020) shows an E (score 45), well below the UK norm with real room to improve. Earlier certificates rated it C (September 2010); the latest reading is 2 bands lower. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Average; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to D (score 57). Main heating runs on electricity.

Untraded for 15 years, with the last transfer in February 2011. At 42 m² it sits well below the postcode median (73 m² across 18 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Today's modelled estimate of £264,000 is 38.9% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£420/sq ft) was about 21.5% above the typical sold price in the postcode.