Flat 22a, 480 London Road, Isleworth, TW7 4RL

Flat 22a is a detached house in Isleworth (TW7 4RL). It has a recorded floor area of 50 m² (around 538 sq ft) and construction records dating it to 2003-2006. At 50 m² this is the smallest unit on EPC record across the building (50–121 m²). The building's EPC ratings span D to B across 19 units on file. The latest certificate (November 2008) shows a C (score 75), near the top of the C band. Main heating runs on electricity. The latest certificate is from November 2008, so improvements made since then won't be reflected.

Untraded for 19 years, with the last transfer in August 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £282,000 is 28.2% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£409/sq ft) was about 27.8% above the typical sold price in the postcode. At 50 m² it's 20.6% smaller than the typical home in the postcode (63 m² median across 17 EPCs).