309 Southbourne Grove, Westcliff On Sea, SS0 0AL

309 Southbourne Grove is a three-bedroom semi-detached house in Westcliff On Sea (SS0 0AL). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (April 2021) shows an E (score 49), well below the UK norm with real room to improve. Earlier certificates rated it D (November 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Average; while roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 3-band jump. Period features are noted in the property record.

Sold December 2021 for £530,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One planning record on file: an extension approved in 2003. Past consents include an extension and a porch, meaningful when judging how the property has evolved. At 108 m² it's 15.6% smaller than the typical home in the postcode (128 m² median across 21 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Across 2004–2021, sale prices on this property compounded at 5.3% per year. On a £-per-square-foot basis, the last sale (£456/sq ft) was about 136.9% above the typical sold price in the postcode.