5 Osborne House, Courtlands, Sheen Road, Richmond, TW10 5BE

5 Osborne House is a one-bedroom mid-terrace house in Richmond (TW10 5BE). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1950-1966 and council tax band D. At 65 m² this is the 2nd smallest of 8 units on EPC record in the building, where floor areas span 60–88 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (July 2020) shows a C (score 69), just inside the C band. When first surveyed in December 2018 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good; while wall efficiency dropped from Average to Poor.

At 65 m² it's 22.6% smaller than the typical home in the postcode (84 m² median across 7 EPCs). Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Today's modelled estimate of £417,000 is 12.7% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£529/sq ft) was about 63.6% above the typical sold price in the postcode. Last sale on file: £370,000 in February 2020.