33a, Hainault Avenue, Westcliff On Sea, SS0 9HA

33a is an end-of-terrace house in Westcliff On Sea (SS0 9HA). It has a recorded floor area of 72 m² (around 775 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2021) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since January 2009. Between certificates, window efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good. The recommended improvements would push it to D (score 63). At 72 m² this is the 21st smallest of 39 units on EPC record in the building, where floor areas span 47–174 m². The building's EPC ratings span G to C across 39 units on file.

It hasn't traded since July 2002, a hold of 24 years that's notably long for the area. Across 1998–2002, sale prices on this property compounded at 17.1% per year. Today's modelled estimate of £210,000 sits 206.6% above the 2002 sale of £68,495. On a £-per-square-foot basis, the last sale (£88/sq ft) was about 35.3% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs).