Riverdene Court, Flat 3, Grove Road, Surbiton, KT6 4BX

Riverdene Court is a two-bedroom end-of-terrace house in Surbiton (KT6 4BX). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1967-1975 and council tax band D. At 61 m² this is the 2nd smallest of 16 units on EPC record in Riverdene Court, where floor areas span 60–83 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (November 2018) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2008); the latest reading is one band lower. Between certificates, hot-water efficiency went from Good to Very Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Average to Poor and window efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 76).

Held since August 2008 — that's 18 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £405,000 sits 65.3% above the 2008 sale of £245,000. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved.