5b, Birkenhead Avenue, Kingston Upon Thames, KT2 6RW

5b is a semi-detached house in Kingston Upon Thames (KT2 6RW). It has a recorded floor area of 53 m² (around 575 sq ft), construction records dating it to 1900-1929 and council tax band D. At 53 m² this is the 4th smallest of 9 units on EPC record in the building, where floor areas span 46–159 m². The building's EPC ratings span E to C across 9 units on file. The latest certificate (February 2012) shows a D (score 63), on the cusp of jumping into the C band. The latest certificate is from February 2012, so improvements made since then won't be reflected.

Held since April 2006 — that's 20 years off the open market, well above the local norm. Across the public record there are 6 sales, relatively high churn for a single property. Across 1996–2006, sale prices on this property compounded at 9.9% per year. Today's modelled estimate of £373,000 sits 101.6% above the 2006 sale of £185,000. On a £-per-square-foot basis, the last sale (£322/sq ft) was about 42.3% below the postcode norm. At 53 m² it's 17.2% smaller than the typical home in the postcode (65 m² median across 8 EPCs).