137 Penn Road, Wolverhampton, WV3 0ED

137 Penn Road is a one-bedroom mid-terrace house in Wolverhampton (WV3 0ED). It has a recorded floor area of 26 m² (around 280 sq ft), construction records dating it to before 1900 and council tax band A. At 26 m² this is the smallest unit on EPC record across the building (26–103 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (September 2021) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since July 2011. Between certificates, window efficiency went from Very Poor to Average and lighting went from Average to Very Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity.

Held since September 2006 — that's 20 years off the open market, well above the local norm. At 26 m² it sits well below the postcode median (80 m² across 27 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). Across 1998–2006, sale prices on this property compounded at 15.9% per year. Today's modelled estimate of £110,000 is 27.9% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£307/sq ft) was about 194.4% above the typical sold price in the postcode.