Flat 3, 15 Effingham Road, Long Ditton, Surbiton, KT6 5JZ

Flat 3 is a semi-detached house in Long Ditton, Surbiton, Surbiton (KT6 5JZ). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to before 1900 and council tax band B. At 43 m² this is the 2nd smallest of 4 units on EPC record in the building, where floor areas span 31–62 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (February 2015) shows a C (score 70). The latest certificate is from February 2015, so improvements made since then won't be reflected.

Held since July 2002 — that's 24 years off the open market, well above the local norm. Across 2000–2002, sale prices on this property compounded at 23.4% per year. Today's modelled estimate of £273,000 sits 148.3% above the 2002 sale of £109,950. On a £-per-square-foot basis, the last sale (£238/sq ft) was about 23.5% below the postcode norm. At 43 m² it sits well below the postcode median (73 m² across 30 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs).