Flat 1, 170 High Street, Hounslow, TW3 1BQ

Flat 1 is a mid-terrace house in Hounslow (TW3 1BQ). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (December 2019) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in November 2015 the rating was F, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good. The recommended improvements would lift it to C (score 71), a 2-band jump. Main heating runs on electricity. At 39 m² this is the 3rd smallest of 4 units on EPC record in the building, where floor areas span 35–63 m². The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 55).

Untraded for 29 years, with the last transfer in January 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £189,000 sits 530% above the 1997 sale of £30,000. On a £-per-square-foot basis, the last sale (£71/sq ft) was about 93.7% below the postcode norm. At 39 m² it sits well below the postcode median (63 m² across 15 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).