21 John Austin Close, Kingston Upon Thames, KT2 6SU

21 John Austin Close is a two-bedroom end-of-terrace house in Kingston Upon Thames (KT2 6SU). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1996-2002 and council tax band D. At 64 m² this is the 30th smallest of 31 units on EPC record in the building, where floor areas span 46–66 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (57 versus a best of 83). The latest certificate (June 2020) shows a D (score 57), a step below the typical UK home. Earlier certificates rated it C (June 2011); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to C (score 72). Main heating runs on electricity.

It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). Across 1997–2016, sale prices on this property compounded at 6.8% per year. On a £-per-square-foot basis, the last sale (£552/sq ft) was about 96% above the typical sold price in the postcode. Last sold in March 2016, so it's been off the market for around 10 years.