13 Cliff Avenue, Westcliff On Sea, SS0 7AJ

13 Cliff Avenue is a one-bedroom end-of-terrace house in Westcliff On Sea (SS0 7AJ). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to 1900-1929 and council tax band A. At 35 m² this is the smallest unit on EPC record across the building (35–117 m²). The building's EPC ratings span E to B across 25 units on file. The latest certificate (August 2019) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2009); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Average; while wall efficiency dropped from Good to Very Poor and lighting dropped from Good to Average. The recommended improvements would push it to C (score 76).

It hasn't traded since April 2011, a hold of 15 years that's notably long for the area. Across 2010–2011, sale prices on this property compounded at 30.8% per year. Today's modelled estimate of £132,000 sits 55.3% above the 2011 sale of £85,000. On a £-per-square-foot basis, the last sale (£226/sq ft) was about 38.2% above the typical sold price in the postcode. At 35 m² it sits well below the postcode median (82 m² across 24 EPCs), making it one of the more compact homes locally.