39a, Avenue Terrace, Westcliff On Sea, SS0 7PL

39a is a two-bedroom end-of-terrace house in Westcliff On Sea (SS0 7PL). It has a recorded floor area of 72 m² (around 775 sq ft) and construction records dating it to 1900-1929. The latest certificate (August 2015) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in August 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average. The recommended improvements would push it to C (score 77). The latest certificate is from August 2015, so improvements made since then won't be reflected. At 72 m² this is the 9th smallest of 24 units on EPC record in the building, where floor areas span 57–145 m². The building's EPC ratings span G to C across 24 units on file.

Held since March 2000 — that's 26 years off the open market, well above the local norm. 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 £239,000 sits 368.6% above the 2000 sale of £51,000. On a £-per-square-foot basis, the last sale (£66/sq ft) was about 64.8% below the postcode norm.