Flat 1, 505 Cowbridge Road East, Cardiff, CF5 1BB

Flat 1 is an end-of-terrace house in Cardiff (CF5 1BB). It has a recorded floor area of 28 m² (around 301 sq ft) and construction records dating it to before 1900. At 28 m² this is the smallest unit on EPC record across the building (28–45 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (66 versus a best of 79). The latest certificate (October 2019) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since February 2014. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while hot-water efficiency dropped from Good to Average and main heating dropped from Good to Average. The recommended improvements would push it to C (score 78). Main heating runs on electricity.

At 28 m² it sits well below the postcode median (46 m² across 20 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and an annexe, meaningful when judging how the property has evolved.