3a, Charlton Road, Southampton, SO15 5FL

3a is a two-bedroom semi-detached house in Southampton (SO15 5FL). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1900-1929 and council tax band A. At 55 m² this is the 9th smallest of 34 units on EPC record in the building, where floor areas span 49–124 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (July 2016) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76).

At 55 m² it sits well below the postcode median (90 m² across 33 EPCs), making it one of the more compact homes locally. Across 1999–2016, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £158,000 is 17% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£228/sq ft) was about 32.4% above the typical sold price in the postcode. Last changed hands 10 years ago, in June 2016.