Flat 1, 23 Nelson Road, Southsea, PO5 2AS

Flat 1 is a semi-detached house in Southsea (PO5 2AS). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (November 2020) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in October 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 72). At 69 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 62–83 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 (62 versus a best of 71).

Held since April 2001 — that's 25 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 69 m² the property is well over the postcode median (52 m² across 63 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £201,000 sits 157.7% above the 2001 sale of £78,000. On a £-per-square-foot basis, the last sale (£105/sq ft) was about 47.3% below the postcode norm. One historical planning record sits against the property in 2004.