12 Collingworth Rise, Park Gate, Southampton, SO31 1DA

12 Collingworth Rise is a detached house in Park Gate, Southampton, Southampton (SO31 1DA). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1996-2002 and council tax band D. The latest certificate (December 2014) shows an E (score 50), well below the UK norm with real room to improve. Earlier certificates rated it D (May 2014); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 85), a 3-band jump. The latest certificate is from December 2014, so improvements made since then won't be reflected.

Untraded for 24 years, with the last transfer in March 2002. At 110 m² the property is well over the postcode median (83 m² across 7 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2002, sale prices on this property compounded at 15.2% per year. Today's modelled estimate of £371,000 sits 127.7% above the 2002 sale of £162,950. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 42.3% below the postcode norm. One historical planning record sits against the property in 2020.