Alton House, Flat 6, 96 Midanbury Lane, Southampton, SO18 4HD

Alton House is a two-bedroom detached house in Southampton (SO18 4HD). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1983-1990 and council tax band A. At 72 m² this is the largest unit on EPC record across Alton House (39–72 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (78 versus a worst of 63). The latest certificate (May 2012) shows a C (score 78), near the top of the C band. Main heating runs on electricity. The latest certificate is from May 2012, so improvements made since then won't be reflected.

Held since December 2000 — that's 26 years off the open market, well above the local norm. Across 1996–2000, sale prices on this property compounded at 17.5% per year. Today's modelled estimate of £155,000 sits 100% above the 2000 sale of £77,500. On a £-per-square-foot basis, the last sale (£100/sq ft) was about 50.3% below the postcode norm. At 72 m² it's 18.4% larger than the typical home in the postcode (61 m² median across 16 EPCs).