Northumbria Court, Flat 8, 6 Sheen Road, Richmond, TW9 1AE

Northumbria Court is a two-bedroom mid-terrace house in Richmond (TW9 1AE). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1983-1990. At 55 m² this is the 20th smallest of 30 units on EPC record in Northumbria Court, where floor areas span 38–77 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (June 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since September 2009. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 78). Main heating runs on electricity.

Untraded for 16 years, with the last transfer in May 2010. Across 2001–2010, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £419,000 is 11.7% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£633/sq ft) was about 19% above the typical sold price in the postcode.