23 Clos Gwaith Dur, Ebbw Vale, NP23 6EP

23 Clos Gwaith Dur is a one-bedroom semi-detached house in Ebbw Vale (NP23 6EP). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 2003-2006 and council tax band B. The latest certificate (December 2020) returns a B (score 83), comfortably above the UK average. When first surveyed in June 2009 the rating was C, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Average, lighting went from Average to Very Good and main heating went from Poor to Average. Main heating runs on electricity. At 44 m² this is the 3rd smallest of 33 units on EPC record in the building, where floor areas span 43–112 m². The building's EPC ratings span E to B, with this unit at the top.

Untraded for 17 years, with the last transfer in November 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £99,000 sits 52.3% above the 2009 sale of £65,000. At 44 m² it's 26.1% smaller than the typical home in the postcode (60 m² median across 32 EPCs). Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.