Aspen House, Flat 23, 10 Forest Road, Richmond, TW9 3BY

Aspen House is a two-bedroom end-of-terrace house in Richmond (TW9 3BY). It has a recorded floor area of 82 m² (around 883 sq ft) and construction records dating it to 1930-1949. At 82 m² this is the 23rd 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, with this unit at the bottom. The latest certificate (May 2019) shows an E (score 41), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2009. Between certificates, wall efficiency dropped from Good to Very Poor and lighting dropped from Very Good to Good. The recommended improvements would push it to D (score 55). Main heating runs on electricity.

Untraded for 31 years, with the last transfer in March 1995. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 82 m² the property is well over the postcode median (50 m² across 28 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Today's modelled estimate of £540,000 sits 496.4% above the 1995 sale of £90,541. On a £-per-square-foot basis, the last sale (£103/sq ft) was about 32.5% below the postcode norm.