83a, Burdett Avenue, Westcliff On Sea, SS0 7JN

83a is a detached house in Westcliff On Sea (SS0 7JN). It has a recorded floor area of 76 m² (around 817 sq ft), construction records dating it to 1900-1929 and council tax band A. At 76 m² this is the 61st smallest of 72 units on EPC record in the building, where floor areas span 45–189 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (June 2009) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 58). Main heating runs on electricity. The latest certificate is from June 2009, so improvements made since then won't be reflected.

Held since February 2000 — that's 26 years off the open market, well above the local norm. At 76 m² it's 18.7% larger than the typical home in the postcode (64 m² median across 71 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1996–2000, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £182,000 sits 391.9% above the 2000 sale of £37,000. On a £-per-square-foot basis, the last sale (£45/sq ft) was about 68.6% below the postcode norm.