11 Chatterton Court, Eversfield Road, Richmond, TW9 2AR

11 Chatterton Court is a two-bedroom mid-terrace house in Richmond (TW9 2AR). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1950-1966 and council tax band D. At 69 m² this is the 12th smallest of 18 units on EPC record in the building, where floor areas span 55–90 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (January 2019) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2009. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.

Held since June 1998 — that's 28 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £511,000 sits 229.7% above the 1998 sale of £155,000. On a £-per-square-foot basis, the last sale (£209/sq ft) was about 54.3% below the postcode norm.