Flat 2, 138 Carlton Avenue, Westcliff On Sea, SS0 0QQ

Flat 2 is a semi-detached house in Westcliff On Sea (SS0 0QQ). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1900-1929. At 55 m² this is the largest unit on EPC record across the building (36–55 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (January 2020) shows a C (score 72). The rating has held steady at C across 2 certificates since October 2009. Between certificates, lighting went from Good to Very Good.

Held since August 1998 — that's 28 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 £202,000 sits 431.6% above the 1998 sale of £37,995. On a £-per-square-foot basis, the last sale (£64/sq ft) was about 74.5% below the postcode norm. At 55 m² it's 25.7% smaller than the typical home in the postcode (74 m² median across 45 EPCs).