Flat 23b, 480 London Road, Isleworth, TW7 4RL

Flat 23b is an end-of-terrace house in Isleworth (TW7 4RL). It has a recorded floor area of 53 m² (around 570 sq ft) and construction records dating it to 2003-2006. The latest certificate (October 2023) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since June 2013. Between certificates, lighting went from Very Poor to Very Good. Main heating runs on electricity. At 53 m² this is the 2nd smallest of 18 units on EPC record in the building, where floor areas span 50–121 m². The building's EPC ratings span D to B across 19 units on file.

Across 2007–2016, sale prices on this property compounded at 1.4% per year. Today's modelled estimate of £275,000 is 10% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£438/sq ft) was about 39.3% above the typical sold price in the postcode. Last sold in November 2016, so it's been off the market for around 10 years. At 53 m² it's 15.9% smaller than the typical home in the postcode (63 m² median across 17 EPCs).