3b, Hetley Road, London, W12 8BA

3b is a detached house in London (W12 8BA). It has a recorded floor area of 41 m² (around 442 sq ft) and construction records dating it to 1900-1929. At 41 m² this is the 7th smallest of 22 units on EPC record in the building, where floor areas span 38–99 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (July 2010) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 71). The latest certificate is from July 2010, so improvements made since then won't be reflected.

It hasn't traded since April 2006, a hold of 20 years that's notably long for the area. Across 1996–2006, sale prices on this property compounded at 12.9% per year. Today's modelled estimate of £432,000 sits 78.1% above the 2006 sale of £242,500. On a £-per-square-foot basis, the last sale (£549/sq ft) was about 34.7% above the typical sold price in the postcode. At 41 m² it's 28% smaller than the typical home in the postcode (57 m² median across 61 EPCs).