11 Sigrist Square, Kingston Upon Thames, KT2 6JT

11 Sigrist Square is a two-bedroom mid-terrace house in Kingston Upon Thames (KT2 6JT). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (February 2023) shows a C (score 74). The rating has held steady at C across 2 certificates since August 2012. Between certificates, hot-water efficiency went from Poor to Average and lighting went from Poor to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 83). Main heating runs on electricity. At 50 m² this is the 11th 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.

12 years since the last transfer (June 2014). Across the public record there are 4 sales, relatively high churn for a single property. Across 1996–2014, sale prices on this property compounded at 8.5% per year. Today's modelled estimate of £360,000 is 12.5% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£595/sq ft) was about 137.6% above the typical sold price in the postcode.