24 Carronade Walk, Portsmouth, PO3 5LX

24 Carronade Walk is a mid-terrace house in Portsmouth (PO3 5LX). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1983-1990 and council tax band A. At 47 m² this is the 5th smallest of 42 units on EPC record in the building, where floor areas span 43–78 m². The building's EPC ratings span E to C across 42 units on file. The latest certificate (June 2012) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). The latest certificate is from June 2012, so improvements made since then won't be reflected.

Held since March 1997 — that's 29 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. Today's modelled estimate of £154,000 sits 289.9% above the 1997 sale of £39,500. On a £-per-square-foot basis, the last sale (£78/sq ft) was about 57.6% below the postcode norm. At 47 m² it's 17.5% smaller than the typical home in the postcode (57 m² median across 41 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs).