30a, Catherine Street, Frome, BA11 1DB

30a is an end-of-terrace house in Frome (BA11 1DB). It has a recorded floor area of 54 m² (around 581 sq ft) and construction records dating it to before 1900. The latest certificate (March 2019) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in February 2009 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Average to Very Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. At 54 m² this is the 5th smallest of 28 units on EPC record in the building, where floor areas span 33–229 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 81).

It hasn't traded since March 2004, a hold of 22 years that's notably long for the area. Across 1999–2004, sale prices on this property compounded at 25.1% per year. Today's modelled estimate of £174,000 sits 82.2% above the 2004 sale of £95,500. At 54 m² it sits well below the postcode median (90 m² across 27 EPCs), making it one of the more compact homes locally.