30a, Hamble Lane, Hamble, Southampton, SO31 4JS

30a is a detached house in Hamble, Southampton, Southampton (SO31 4JS). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (May 2022) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2012. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 80).

It hasn't traded since August 2004, a hold of 22 years that's notably long for the area. Across 1996–2004, sale prices on this property compounded at 14.2% per year. Today's modelled estimate of £445,000 sits 78.4% above the 2004 sale of £249,500. On a £-per-square-foot basis, the last sale (£227/sq ft) was about 28.6% below the postcode norm. One planning record on file: an extension approved in 2007. Past consents include an extension, meaningful when judging how the property has evolved. At 102 m² it's 25.9% larger than the typical home in the postcode (81 m² median across 47 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs).