12 Southwold House, Bastins Close, Park Gate, Southampton, SO31 1EB

12 Southwold House is a one-bedroom property in Park Gate, Southampton, Southampton (SO31 1EB). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 2007-2011 and council tax band A. At 46 m² this is the 2nd smallest of 13 units on EPC record in the building, where floor areas span 44–67 m². The building's EPC ratings span C to B, with this unit at the bottom. On EPC score it ranks last in the building (79 versus a best of 88). Other recorded features include a balcony. The latest certificate (August 2025) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (March 2012); the latest reading is one band lower. Between certificates, lighting went from Average to Good; while window efficiency dropped from Good to Average.

Most recent transfer: March 2021 at £150,000. Across the public record there are 5 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. Across 2007–2021, sale prices on this property compounded at 1% per year. On a £-per-square-foot basis, the last sale (£303/sq ft) was about 26.4% above the typical sold price in the postcode. At 46 m² it's 27% smaller than the typical home in the postcode (63 m² median across 12 EPCs).