35 Blackdown, North Road, Westcliff On Sea, SS0 7BH

35 Blackdown is a two-bedroom semi-detached house in Westcliff On Sea (SS0 7BH). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1967-1975 and council tax band A. At 71 m² this is the 24th smallest of 36 units on EPC record in the building, where floor areas span 40–74 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (August 2014) shows an E (score 47), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since October 2008. Between certificates, lighting went from Average to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on to be used only when there is no heating/hot. The latest certificate is from August 2014, so improvements made since then won't be reflected.

Across 2004–2015, sale prices on this property compounded at 0.8% per year. Today's modelled estimate of £144,000 sits 111.8% above the 2015 sale of £68,000. At 71 m² it's 16.4% larger than the typical home in the postcode (61 m² median across 35 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Last sold in March 2015, so it's been off the market for around 11 years.