35a, Claremont Road, Westcliff On Sea, SS0 7DX

35a is a two-bedroom semi-detached house in Westcliff On Sea (SS0 7DX). It has a recorded floor area of 62 m² (around 667 sq ft) and construction records dating it to 1900-1929. At 62 m² this is the 10th smallest of 36 units on EPC record in the building, where floor areas span 38–173 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (November 2019) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since January 2009. Between certificates, window efficiency went from Very Poor to Average, lighting went from Poor to Good and main heating went from Average to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to D (score 65).

Held since February 2002 — that's 24 years off the open market, well above the local norm. Today's modelled estimate of £205,000 sits 302% above the 2002 sale of £51,000. On a £-per-square-foot basis, the last sale (£76/sq ft) was about 45.6% below the postcode norm. At 62 m² it's 15.1% smaller than the typical home in the postcode (73 m² median across 35 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs).