81d, Wellington Avenue, Westcliff On Sea, SS0 9XA

81d is a two-bedroom semi-detached house in Westcliff On Sea (SS0 9XA). It has a recorded floor area of 62 m² (around 671 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (August 2010) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 55). Main heating runs on electricity. The latest certificate is from August 2010, so improvements made since then won't be reflected. At 62 m² this is the 8th smallest of 35 units on EPC record in the building, where floor areas span 41–127 m². The building's EPC ratings span F to C across 35 units on file.

Across 1998–2011, sale prices on this property compounded at 9.2% per year. Today's modelled estimate of £218,000 sits 63.3% above the 2011 sale of £133,500. On the market in November 2011 and unlisted since — roughly 15 years. Across the public record there are 4 sales, relatively high churn for a single property. At 62 m² it's 24.7% smaller than the typical home in the postcode (83 m² median across 34 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs).