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

12 Central Parade is a two-bedroom semi-detached house in Surbiton (KT6 4PJ). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (April 2018) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in January 2013 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good and main heating went from Very Poor to Good; while lighting dropped from Very Good to Very Poor. The recommended improvements would push it to C (score 74). At 59 m² this is the 12th 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 across 18 units on file.

Held since April 1999 — that's 27 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 £360,000 sits 393.2% above the 1999 sale of £73,000. On a £-per-square-foot basis, the last sale (£115/sq ft) was about 48.7% below the postcode norm.