18b, Granville Road, Sevenoaks, TN13 1EY

18b is a semi-detached house in Sevenoaks (TN13 1EY). It has a recorded floor area of 118 m² (around 1268 sq ft), construction records dating it to 1900-1929 and council tax band E. At 118 m² this is the smallest unit on EPC record across the building (118–338 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (40 versus a best of 67). The latest certificate (July 2009) shows an E (score 40), well below the UK norm with real room to improve. Earlier certificates rated it D (March 2009); the latest reading is one band lower. The latest certificate is from July 2009, so improvements made since then won't be reflected.

Held since August 1996 — that's 30 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £539,000 sits 498.9% above the 1996 sale of £90,000. On a £-per-square-foot basis, the last sale (£71/sq ft) was about 85.9% below the postcode norm. At 118 m² it's 16.9% smaller than the typical home in the postcode (142 m² median across 5 EPCs).