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

21 Central Parade is a two-bedroom semi-detached house in Surbiton (KT6 4PJ). It has a recorded floor area of 50 m² (around 534 sq ft), construction records dating it to 1900-1929 and council tax band C. At 50 m² this is the 2nd 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 bottom. The latest certificate (May 2011) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 56). The latest certificate is from May 2011, so improvements made since then won't be reflected.

Held since July 2004 — that's 22 years off the open market, well above the local norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2000–2004, sale prices on this property compounded at 13.3% per year. Today's modelled estimate of £343,000 sits 90.6% above the 2004 sale of £179,950. On a £-per-square-foot basis, the last sale (£337/sq ft) was about 78% above the typical sold price in the postcode.