73a, Elderton Road, Westcliff On Sea, SS0 8AG

73a is a two-bedroom mid-terrace house in Westcliff On Sea (SS0 8AG). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1900-1929 and council tax band A. At 72 m² this is the 19th smallest of 52 units on EPC record in the building, where floor areas span 36–164 m². The building's EPC ratings span G to C, with this unit at the top. On EPC score it ranks first in the building (77 versus a worst of 20). The latest certificate (June 2016) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since October 2015. Between certificates, window efficiency went from Poor to Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would push it to B (score 83).

It hasn't traded since July 2000, a hold of 26 years that's notably long for the area. 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 £208,000 sits 629.8% above the 2000 sale of £28,500. On a £-per-square-foot basis, the last sale (£37/sq ft) was about 75.7% below the postcode norm. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs).