Atlas House, Flat 15, 466 London Road, Isleworth, TW7 4BF

Atlas House is a one-bedroom semi-detached house in Isleworth (TW7 4BF). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to before 1900 and council tax band C. At 45 m² this is the 2nd smallest of 18 units on EPC record in Atlas House, where floor areas span 40–55 m². The building's EPC ratings span C to B, with this unit at the bottom. On EPC score it ranks last in the building (73 versus a best of 83). Our model identifies extension potential, subject to local planning policy. The latest certificate (August 2019) shows a C (score 73). Earlier certificates rated it B (July 2009); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average.

Held since May 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 45 m² it's 15.1% smaller than the typical home in the postcode (53 m² median across 17 EPCs). Today's modelled estimate of £290,000 is 25% above the 2007 sale price.