Westgate House, Flat 157, London Road, Isleworth, TW7 4DJ

Westgate House is a mid-terrace house in Isleworth (TW7 4DJ). It has a recorded floor area of 61 m² (around 657 sq ft) and construction records dating it to 1996-2002. The latest certificate (September 2019) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since April 2009. Between certificates, lighting went from Poor to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to B (score 87). Main heating runs on electricity. At 61 m² this is the 36th smallest of 49 units on EPC record in Westgate House, where floor areas span 26–76 m². The building's EPC ratings span D to B across 49 units on file.

Today's modelled estimate of £258,000 sits 158.1% above the 2013 sale of £99,980. On a £-per-square-foot basis, the last sale (£152/sq ft) was about 69% below the postcode norm. At 61 m² it's 29.1% larger than the typical home in the postcode (47 m² median across 48 EPCs). 13 years since the last transfer (November 2013).