12 Osborne Road, Kingston Upon Thames, KT2 5HB

12 Osborne Road is a two-bedroom end-of-terrace house in Kingston Upon Thames (KT2 5HB). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (August 2017) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in September 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 74).

Held since December 2010 — that's 15 years off the open market, well above the local norm. Across 1996–2010, sale prices on this property compounded at 9.9% per year. Today's modelled estimate of £931,000 sits 77.7% above the 2010 sale of £523,800. On a £-per-square-foot basis, the last sale (£695/sq ft) was about 90.1% above the typical sold price in the postcode. 12 planning records sit against the property, 6 approved, 4 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. At 70 m² it's 26.2% smaller than the typical home in the postcode (95 m² median across 21 EPCs).