Alton House, Flat 9, 96 Midanbury Lane, Southampton, SO18 4HD

Alton House is a one-bedroom semi-detached house in Southampton (SO18 4HD). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1983-1990 and council tax band A. At 39 m² this is the smallest unit on EPC record across Alton House (39–72 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (63 versus a best of 78). The latest certificate (November 2023) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2010. Between certificates, lighting went from Poor to Very Good. Main heating runs on electricity.

It hasn't traded since August 2010, a hold of 16 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. At 39 m² it sits well below the postcode median (68 m² across 16 EPCs), making it one of the more compact homes locally. Across 1997–2010, sale prices on this property compounded at 8.3% per year. Today's modelled estimate of £134,000 is 27.6% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£250/sq ft) was about 24.2% above the typical sold price in the postcode.