154 High Street, Hounslow, TW3 1LR

154 High Street is a mid-terrace house in Hounslow (TW3 1LR). It has a recorded floor area of 40 m² (around 431 sq ft) and construction records dating it to 1930-1949. At 40 m² this is the 8th smallest of 24 units on EPC record in the building, where floor areas span 33–114 m². The building's EPC ratings span E to A, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 100). The latest certificate (May 2021) shows an E (score 39), well below the UK norm with real room to improve. The rating has held steady at E across 5 certificates since June 2009. Between certificates, wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on electricity.

It hasn't traded since September 2003, a hold of 23 years that's notably long for the area. 4 planning records sit against the property, 1 approved, 3 refused. Past consents include subdivision, meaningful when judging how the property has evolved. At 40 m² it's 20% smaller than the typical home in the postcode (50 m² median across 23 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). Today's modelled estimate of £791,000 is 17.2% above the 2003 sale price.