Yr Hen Dy, Flat 1, 5 The Cathedral Green, Cardiff, CF5 2EB

Yr Hen Dy is a detached house in Cardiff (CF5 2EB). It has a recorded floor area of 120 m² (around 1294 sq ft) and construction records dating it to before 1900. At 120 m² this is the 3rd smallest of 4 units on EPC record in Yr Hen Dy, where floor areas span 59–124 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 72). The latest certificate (June 2009) shows an E (score 45), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 60). The latest certificate is from June 2009, so improvements made since then won't be reflected.

At 120 m² the property is well over the postcode median (91 m² across 43 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). One historical planning record sits against the property in 2000.