Catherine House, Flat 11, Busch Close, Isleworth, TW7 6UE

Catherine House is a two-bedroom semi-detached house in Isleworth (TW7 6UE). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1996-2002 and council tax band D. At 59 m² this is the 13th smallest of 16 units on EPC record in Catherine House, where floor areas span 57–60 m². The building's EPC ratings span D to B across 16 units on file. The latest certificate (May 2017) shows a C (score 78), near the top of the C band. The recommended improvements would push it to B (score 81). Main heating runs on electricity.

Untraded for 19 years, with the last transfer in July 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1997–2007, sale prices on this property compounded at 9.5% per year. Today's modelled estimate of £341,000 is 40.3% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£383/sq ft) was about 49.3% above the typical sold price in the postcode.