58a, Warstones Road, Penn, Wolverhampton, WV4 4LP

58a is a detached house in Penn, Wolverhampton, Wolverhampton (WV4 4LP). It has a recorded floor area of 45 m² (around 487 sq ft) and construction records dating it to 1900-1929. At 45 m² this is the smallest unit on EPC record across the building (45–126 m²). The building's EPC ratings span G to C across 22 units on file. The latest certificate (May 2009) shows an F (score 37), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 58), a 2-band jump. Main heating runs on electricity. The latest certificate is from May 2009, so improvements made since then won't be reflected.

Untraded for 17 years, with the last transfer in June 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 45 m² it sits well below the postcode median (83 m² across 21 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2007–2009, sale prices on this property compounded at 33.2% per year. Today's modelled estimate of £405,000 is 14.1% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£729/sq ft) was about 516.7% above the typical sold price in the postcode. One historical planning record sits against the property in 2018.