Flat 2, 10 St Andrew S Road, Surbiton, KT6 4DT

Flat 2 is a one-bedroom mid-terrace house in Surbiton (KT6 4DT). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1900-1929 and council tax band C. At 52 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 42–55 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (62 versus a best of 75). The latest certificate (June 2019) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2009. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Poor to Good. The recommended improvements would push it to C (score 72).

Untraded for 19 years, with the last transfer in May 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 52 m² it's 26.8% larger than the typical home in the postcode (41 m² median across 43 EPCs). Across 2003–2007, sale prices on this property compounded at 10.9% per year. Today's modelled estimate of £368,000 is 47.2% above the 2007 sale price.