20a, Hermitage Road, Westcliff On Sea, SS0 7NQ

20a is an end-of-terrace house in Westcliff On Sea (SS0 7NQ). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1900-1929 and council tax band A. At 54 m² this is the smallest unit on EPC record across the building (54–181 m²). The building's EPC ratings span F to B across 47 units on file. The latest certificate (October 2015) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 74), a 2-band jump. The latest certificate is from October 2015, so improvements made since then won't be reflected.

It hasn't traded since April 2002, a hold of 24 years that's notably long for the area. Across 2000–2002, sale prices on this property compounded at 29% per year. Today's modelled estimate of £173,000 sits 188.4% above the 2002 sale of £59,995. On a £-per-square-foot basis, the last sale (£103/sq ft) was about 33.1% below the postcode norm. At 54 m² it sits well below the postcode median (90 m² across 46 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).