17b, Addison Grove, Hounslow, London, W4 1EP

17b is a three-bedroom end-of-terrace house in Hounslow, London, London (W4 1EP). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to before 1900 and council tax band E. At 94 m² this is the 5th smallest of 11 units on EPC record in the building, where floor areas span 31–271 m². The building's EPC ratings span F to D, with this unit at the top. On EPC score it ranks first in the building (64 versus a worst of 35). The latest certificate (September 2022) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in July 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 76).

Untraded for 20 years, with the last transfer in February 2006. Today's modelled estimate of £696,000 sits 96.1% above the 2006 sale of £355,000. On a £-per-square-foot basis, the last sale (£351/sq ft) was about 52.4% below the postcode norm. At 94 m² it sits well below the postcode median (136 m² across 10 EPCs), making it one of the more compact homes locally.