12 Sigrist Square, Kingston Upon Thames, KT2 6JT

12 Sigrist Square is a one-bedroom mid-terrace house in Kingston Upon Thames (KT2 6JT). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1996-2002 and council tax band D. The latest certificate (November 2019) shows a C (score 77), near the top of the C band. The rating has held steady at C across 3 certificates since December 2008. Between certificates, roof efficiency went from Average to Good, hot-water efficiency went from Poor to Average and main heating went from Poor to Average. The recommended improvements would push it to B (score 81). Main heating runs on electricity. At 42 m² this is the 3rd smallest of 44 units on EPC record in the building, where floor areas span 40–64 m². The building's EPC ratings span E to B across 44 units on file.

Across 1996–2012, sale prices on this property compounded at 7.4% per year. Today's modelled estimate of £290,000 is 31.8% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£487/sq ft) was about 87.1% above the typical sold price in the postcode. Last sold in April 2012, so it's been off the market for around 14 years. At 42 m² it's 20.1% smaller than the typical home in the postcode (53 m² median across 43 EPCs).