23 Sigrist Square, Kingston Upon Thames, KT2 6JT

23 Sigrist Square is a two-bedroom mid-terrace house in Kingston Upon Thames (KT2 6JT). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1991-1995 and council tax band D. At 58 m² this is the 34th 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. The latest certificate (April 2013) shows a C (score 73). Main heating runs on electricity. The latest certificate is from April 2013, so improvements made since then won't be reflected.

Held since May 1996 — that's 30 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £375,000 sits 363% above the 1996 sale of £80,995. On a £-per-square-foot basis, the last sale (£130/sq ft) was about 51.1% below the postcode norm.