12b, Woodlands Road, Isleworth, TW7 6NX

12b is a mid-terrace house in Isleworth (TW7 6NX). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to before 1900. The latest certificate (November 2021) shows a D (score 59), a step below the typical UK home. Earlier certificates rated it C (July 2011); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while main heating dropped from Average to Very Poor. The recommended improvements would push it to C (score 77). Main heating runs on electricity. At 45 m² this is the 5th smallest of 40 units on EPC record in the building, where floor areas span 21–141 m². The building's EPC ratings span E to C across 40 units on file.

Last sold in March 2015, so it's been off the market for around 11 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 1995–2015, sale prices on this property compounded at 9.9% per year. Today's modelled estimate of £340,000 is 23.6% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£568/sq ft) was about 82.4% above the typical sold price in the postcode. At 45 m² it's 19.6% smaller than the typical home in the postcode (56 m² median across 39 EPCs).