1a, Burdett Avenue, Westcliff On Sea, SS0 7JN

1a is a four-bedroom detached house in Westcliff On Sea (SS0 7JN). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1967-1975 and council tax band B. At 70 m² this is the 54th smallest of 72 units on EPC record in the building, where floor areas span 45–189 m². The building's EPC ratings span E to C, with this unit at the bottom. Period features are noted in the property record. The latest certificate (May 2023) shows an E (score 45), well below the UK norm with real room to improve.

Untraded for 27 years, with the last transfer in April 1999. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £239,000 sits 334.5% above the 1999 sale of £55,000. On a £-per-square-foot basis, the last sale (£73/sq ft) was about 49.1% below the postcode norm. One planning record on file: an extension refused in 2003.