Flat 2, 4 Cottage Grove, Southsea, PO5 1EN

Flat 2 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 1930-1949 and council tax band A. At 53 m² this is the 9th smallest of 10 units on EPC record in the building, where floor areas span 13–72 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (71 versus a worst of 44). The latest certificate (February 2021) shows a C (score 71). When first surveyed in December 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Average and hot-water efficiency went from Poor to Average. The recommended improvements would push it to B (score 81). Main heating runs on electricity.

Last sale on file: £120,000 in March 2021. Across the public record there are 6 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. At 53 m² it's 21.8% larger than the typical home in the postcode (44 m² median across 36 EPCs). Across 1997–2021, sale prices on this property compounded at 6.7% per year. Today's modelled estimate of £149,000 is 24.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£210/sq ft) was about 16.4% above the typical sold price in the postcode.