Flat 4, 9 Atherley Road, Southampton, SO15 5DR

Flat 4 is a mid-terrace house in Southampton (SO15 5DR). It has a recorded floor area of 31 m² (around 334 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (May 2018) shows an E (score 54), well below the UK norm with real room to improve. When first surveyed in December 2008 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good and lighting went from Poor to Average. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity. At 31 m² this is the 4th smallest of 7 units on EPC record in the building, where floor areas span 28–185 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (54 versus a best of 72).

At 31 m² it sits well below the postcode median (79 m² across 21 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Last sale on file: £86,000 in May 2019. Across the public record there are 4 sales, relatively high churn for a single property. Across 2002–2019, sale prices on this property compounded at 3.8% per year. Today's modelled estimate of £107,000 is 24.4% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£258/sq ft) was about 42% above the typical sold price in the postcode.