23 The Colonnade, Marina, St Leonards On Sea, TN38 0BG

23 The Colonnade is a mid-terrace house in St Leonards On Sea (TN38 0BG). It has a recorded floor area of 34 m² (around 366 sq ft) and construction records dating it to before 1900. The latest certificate (March 2022) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since April 2009. Between certificates, wall efficiency went from Very Poor to Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to B (score 84). Main heating runs on electricity. At 34 m² this is the 2nd smallest of 22 units on EPC record in the building, where floor areas span 30–84 m². The building's EPC ratings span F to B across 22 units on file.

Across 2003–2022, sale prices on this property compounded at 4% per year. On a £-per-square-foot basis, the last sale (£372/sq ft) was about 98.7% above the typical sold price in the postcode. At 34 m² it's 26.1% smaller than the typical home in the postcode (46 m² median across 21 EPCs). Sold June 2022 for £136,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.