13a, Britannia Road, Westcliff On Sea, SS0 8BS

13a is a semi-detached house in Westcliff On Sea (SS0 8BS). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to 1900-1929 and council tax band C. At 115 m² this is the 44th smallest of 45 units on EPC record in the building, where floor areas span 32–229 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (October 2016) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 67).

Untraded for 26 years, with the last transfer in December 1999. At 115 m² the property is well over the postcode median (55 m² across 44 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Across 1998–1999, sale prices on this property compounded at 13.8% per year. Today's modelled estimate of £249,000 sits 289.1% above the 1999 sale of £64,000. On a £-per-square-foot basis, the last sale (£52/sq ft) was about 71.5% below the postcode norm.