Flat 1, 27 Osborne Road, Southsea, PO5 3LR

Flat 1 is a two-bedroom detached house in Southsea (PO5 3LR). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1900-1929 and council tax band A. At 68 m² this is the largest unit on EPC record across the building (51–68 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 (56 versus a best of 73). The latest certificate (January 2023) shows a D (score 56), a step below the typical UK home. When first surveyed in July 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 Very Poor to Very Good. The recommended improvements would push it to C (score 74).

At 68 m² it's 15.3% larger than the typical home in the postcode (59 m² median across 31 EPCs). Across 1997–2024, sale prices on this property compounded at 6.7% per year. On a £-per-square-foot basis, the last sale (£271/sq ft) was about 88.7% above the typical sold price in the postcode. Most recent transfer: January 2024 at £198,000.