140 Electric Avenue, Westcliff On Sea, SS0 9NJ

140 Electric Avenue is a semi-detached house in Westcliff On Sea (SS0 9NJ). It has a recorded floor area of 47 m² (around 506 sq ft) and construction records dating it to 1900-1929. The latest certificate (September 2015) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since November 2009. Between certificates, window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 76). The latest certificate is from September 2015, so improvements made since then won't be reflected. At 47 m² this is the 3rd smallest of 21 units on EPC record in the building, where floor areas span 40–148 m². The building's EPC ratings span E to C across 21 units on file.

Across 1999–2014, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £182,000 sits 71.3% above the 2014 sale of £106,250. At 47 m² it sits well below the postcode median (89 m² across 20 EPCs), making it one of the more compact homes locally. Last changed hands 12 years ago, in January 2014. Across the public record there are 7 sales, relatively high churn for a single property.