Aspen House, Flat 13, 10 Forest Road, Richmond, TW9 3BY

Aspen House is a two-bedroom semi-detached house in Richmond (TW9 3BY). It has a recorded floor area of 80 m² (around 861 sq ft) and construction records dating it to 1991-1995. The latest certificate (February 2023) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (December 2012); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77). Main heating runs on electricity. At 80 m² this is the 22nd smallest of 24 units on EPC record in Aspen House, where floor areas span 35–82 m². The building's EPC ratings span E to C across 24 units on file.

It hasn't traded since March 1995, a hold of 31 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 80 m² the property is well over the postcode median (50 m² across 28 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £496,000 sits 473.1% above the 1995 sale of £86,541. On a £-per-square-foot basis, the last sale (£100/sq ft) was about 33.9% below the postcode norm.