Flat 1a, 1 Britannia Road, Westcliff On Sea, SS0 8BS

Flat 1a is a one-bedroom mid-terrace house in Westcliff On Sea (SS0 8BS). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1900-1929 and council tax band A. At 42 m² this is the 4th smallest of 9 units on EPC record in the building, where floor areas span 38–84 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (April 2022) shows a C (score 70). When first surveyed in January 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Average.

9 years since the last transfer (March 2017). Across the public record there are 5 sales, relatively high churn for a single property. At 42 m² it's 25% smaller than the typical home in the postcode (56 m² median across 44 EPCs). Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). Across 1999–2017, sale prices on this property compounded at 8.6% per year. Today's modelled estimate of £142,000 is 26.8% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£248/sq ft) was about 39.3% above the typical sold price in the postcode.