Catherine House, Flat 8, Busch Close, Isleworth, TW7 6UE

Catherine House is an end-of-terrace house in Isleworth (TW7 6UE). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1996-2002 and council tax band D. At 57 m² this is the smallest unit on EPC record across Catherine House (57–60 m²). The building's EPC ratings span D to B across 16 units on file. The latest certificate (November 2021) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since November 2011. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 82). Main heating runs on electricity.

Sold April 2022 for £338,000. Across the public record there are 7 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1997–2022, sale prices on this property compounded at 5.2% per year. On a £-per-square-foot basis, the last sale (£551/sq ft) was about 115% above the typical sold price in the postcode.