16 Grovewood, Sandycombe Road, Richmond, TW9 3NF

16 Grovewood is a detached house in Richmond (TW9 3NF). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (April 2018) shows a G (score 19), near the bottom of the EPC scale. Earlier certificates rated it F (August 2014); the latest reading is one band lower. Between certificates, hot-water efficiency went from Very Poor to Poor; while lighting dropped from Good to Very Poor and main heating dropped from Average to Very Poor. The recommended improvements would lift it to D (score 60), a 3-band jump. Main heating runs on electricity. At 72 m² this is the 13th smallest of 14 units on EPC record in the building, where floor areas span 57–72 m². The building's EPC ratings span G to C, with this unit at the bottom. On EPC score it ranks last in the building (19 versus a best of 79).

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £571,000 is 21.5% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£606/sq ft) was about 78.5% above the typical sold price in the postcode. Last changed hands 11 years ago, in March 2015.