23 Central Parade, St Marks Hill, Surbiton, KT6 4PJ

23 Central Parade is a one-bedroom mid-terrace house in Surbiton (KT6 4PJ). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1930-1949 and council tax band C. At 56 m² this is the 3rd smallest of 18 units on EPC record in the building, where floor areas span 49–63 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (February 2021) shows a C (score 69), just inside the C band. Earlier certificates rated it B (February 2010); the latest reading is one band lower. Between certificates, window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good.

Held since April 1995 — that's 31 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 £327,000 sits 610.9% above the 1995 sale of £46,000. On a £-per-square-foot basis, the last sale (£76/sq ft) was about 65.9% below the postcode norm.