Flat 2a, 2 Cottage Grove, Southsea, PO5 1EN

Flat 2a is a two-bedroom semi-detached house in Southsea (PO5 1EN). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1900-1929 and council tax band A. At 53 m² this is the smallest unit on EPC record across the building (53–140 m²). On EPC score it ranks first in the building (67 versus a worst of 56). Our model identifies extension potential, subject to local planning policy. The latest certificate (April 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2011. Between certificates, window efficiency went from Very Poor to Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 80). Main heating runs on electricity.

At 53 m² it's 21.8% larger than the typical home in the postcode (44 m² median across 36 EPCs). Today's modelled estimate of £158,000 is 21.5% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£228/sq ft) was about 29.7% above the typical sold price in the postcode. Most recent transfer: February 2022 at £130,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.