39a, Hole House Lane, Stocksbridge, Sheffield, S36 1BS

39a is a semi-detached house in Stocksbridge, Sheffield, Sheffield (S36 1BS). It has a recorded floor area of 31 m² (around 334 sq ft), construction records dating it to 1976-1982 and council tax band A. At 31 m² this is the smallest unit on EPC record across the building (31–224 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (45 versus a best of 73). The latest certificate (January 2020) shows an E (score 45), well below the UK norm with real room to improve. When first surveyed in September 2009 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity.

At 31 m² it sits well below the postcode median (93 m² across 10 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).