219 221, Flat 1, High Street, Hounslow, TW3 1DH

219 221 is a semi-detached house in Hounslow (TW3 1DH). It has a recorded floor area of 152 m² (around 1636 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2021) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in October 2009 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Good to Very Good and hot-water efficiency went from Very Poor to Poor. The recommended improvements would lift it to C (score 71), a 2-band jump. Main heating runs on electricity. At 152 m² this is the 2nd smallest of 3 units on EPC record in 219 221, where floor areas span 144–152 m². On EPC score it ranks last in the building (40 versus a best of 40).

Today's modelled estimate of £342,000 is 86.9% below the 2018 sale of £2,605,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£1,592/sq ft) was about 43.2% above the typical sold price in the postcode. At 152 m² the property is well over the postcode median (44 m² across 12 EPCs), placing it in the larger end of the local stock. Most recent transfer: October 2018 at £2,605,000.