Copper Beeches, Flat 5, 6 Witham Road, Isleworth, TW7 4AW

Copper Beeches is a one-bedroom end-of-terrace house in Isleworth (TW7 4AW). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to 1983-1990. The latest certificate (October 2019) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since January 2010. Between certificates, wall efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Poor to Good. At 46 m² this is the 6th smallest of 28 units on EPC record in Copper Beeches, where floor areas span 42–72 m². The building's EPC ratings span D to B across 28 units on file.

Held since October 2010 — that's 16 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. Across 1996–2010, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £286,000 sits 52.8% above the 2010 sale of £187,169. On a £-per-square-foot basis, the last sale (£378/sq ft) was about 20.6% above the typical sold price in the postcode. At 46 m² it's 17.9% smaller than the typical home in the postcode (56 m² median across 27 EPCs).