12a, Britannia Road, Westcliff On Sea, SS0 8BS

12a is a three-bedroom semi-detached house in Westcliff On Sea (SS0 8BS). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1900-1929 and council tax band C. At 83 m² this is the 33rd 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. Other recorded features include a balcony. The latest certificate (October 2018) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump.

At 83 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 2007–2021, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £297,000 is 12.1% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£297/sq ft) was about 66.8% above the typical sold price in the postcode. Last sale on file: £265,000 in July 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.