47a, High Road, Wormley, Broxbourne, EN10 6HT

47a is a one-bedroom mid-terrace house in Wormley, Broxbourne, Broxbourne (EN10 6HT). It has a recorded floor area of 33 m² (around 355 sq ft) and construction records dating it to 1930-1949. At 33 m² this is the smallest unit on EPC record across the building (33–418 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 (39 versus a best of 70). The latest certificate (September 2020) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in January 2009 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity.

Untraded for 23 years, with the last transfer in July 2003. Today's modelled estimate of £162,000 sits 151.2% above the 2003 sale of £64,500. On a £-per-square-foot basis, the last sale (£182/sq ft) was about 22.3% below the postcode norm. At 33 m² it sits well below the postcode median (86 m² across 16 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.