29a, Osborne Road, Southsea, PO5 3LR

29a is an end-of-terrace house in Southsea (PO5 3LR). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1900-1929 and council tax band A. At 74 m² this is the 20th smallest of 32 units on EPC record in the building, where floor areas span 34–134 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (March 2023) shows a C (score 70). When first surveyed in March 2011 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good.

Today's modelled estimate of £180,000 is 41.9% below the 2018 sale of £310,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£389/sq ft) was about 171.5% above the typical sold price in the postcode. At 74 m² it's 25.4% larger than the typical home in the postcode (59 m² median across 31 EPCs). On the market in May 2018 and unlisted since — roughly 8 years.