Caverleigh, 4, Cadogan Road, Surbiton, KT6 4DH

Caverleigh is a three-bedroom mid-terrace house in Surbiton (KT6 4DH). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (March 2014) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2011. Between certificates, lighting went from Poor to Good. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from March 2014, so improvements made since then won't be reflected.

Held since June 1999 — that's 27 years off the open market, well above the local norm. Across 1997–1999, sale prices on this property compounded at 25.1% per year. Today's modelled estimate of £611,000 sits 270.3% above the 1999 sale of £165,000. On a £-per-square-foot basis, the last sale (£143/sq ft) was about 71.9% below the postcode norm. At 107 m² it's 24% smaller than the typical home in the postcode (141 m² median across 4 EPCs).