Flat 3, 19 Campbell Road, Southsea, PO5 1RH

Flat 3 is a mid-terrace house in Southsea (PO5 1RH). It has a recorded floor area of 70 m² (around 753 sq ft) and construction records dating it to 1900-1929. At 70 m² this is the smallest unit on EPC record across the building (70–73 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 70). The latest certificate (February 2020) 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 2009. Between certificates, lighting went from Poor to Good. The recommended improvements would push it to C (score 76).

At 70 m² it's 27.3% larger than the typical home in the postcode (55 m² median across 25 EPCs). Across 1999–2013, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £162,000 is 44.6% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£149/sq ft) was about 21.7% below the postcode norm. On the market in May 2013 and unlisted since — roughly 13 years.