Flat 1, 15 St Philip S Road, Surbiton, KT6 4DU

Flat 1 is a two-bedroom semi-detached house in Surbiton (KT6 4DU). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1900-1929 and council tax band D. At 68 m² this is the largest unit on EPC record across the building (58–68 m²). The building's EPC ratings span E to C across 4 units on file. The latest certificate (October 2020) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since November 2010. Between certificates, lighting went from Very Poor to Good. The recommended improvements would push it to C (score 77).

Untraded for 19 years, with the last transfer in November 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1997–2007, sale prices on this property compounded at 10.8% per year. Today's modelled estimate of £496,000 sits 68.1% above the 2007 sale of £295,000. On a £-per-square-foot basis, the last sale (£403/sq ft) was about 16.9% above the typical sold price in the postcode.