1a, Spring Close, Southampton, SO19 2NW

1a is a one-bedroom semi-detached house in Southampton (SO19 2NW). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1930-1949 and council tax band A. At 44 m² this is the smallest unit on EPC record across the building (44–110 m²). The building's EPC ratings span E to C across 12 units on file. Other recorded features include attached land beyond the plot. Records show the property has been extended at some point in its history. The latest certificate (April 2022) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in January 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Very Good, hot-water efficiency went from Very Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to C (score 75). Main heating runs on electricity.

Untraded for 18 years, with the last transfer in August 2008. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1998–2008, sale prices on this property compounded at 10.7% per year. Today's modelled estimate of £136,000 sits 54.5% above the 2008 sale of £88,000. On a £-per-square-foot basis, the last sale (£186/sq ft) was about 71.7% above the typical sold price in the postcode. At 44 m² it sits well below the postcode median (87 m² across 11 EPCs), making it one of the more compact homes locally.