Flat 2, 23 Campbell Road, Southsea, PO5 1RH

Flat 2 is a mid-terrace house in Southsea (PO5 1RH). It has a recorded floor area of 47 m² (around 505 sq ft), construction records dating it to before 1900 and council tax band A. At 47 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 46–48 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 (65 versus a best of 77). The latest certificate (August 2009) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). The latest certificate is from August 2009, so improvements made since then won't be reflected.

Held since September 2010 — that's 16 years off the open market, well above the local norm. Across 2003–2010, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £143,000 is 30% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£218/sq ft) was about 23.9% above the typical sold price in the postcode. At 47 m² it's 17.8% smaller than the typical home in the postcode (57 m² median across 25 EPCs).