Raglan House, Flat 6, Westgate Street, Cardiff, CF10 1DN

Raglan House is a semi-detached house in Cardiff (CF10 1DN). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1930-1949 and council tax band E. At 82 m² this is the 14th smallest of 18 units on EPC record in Raglan House, where floor areas span 23–87 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 (42 versus a best of 74). The latest certificate (August 2018) shows an E (score 42), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since February 2013. Between certificates, window efficiency went from Poor to Good, hot-water efficiency went from Good to Very Good and lighting went from Average to Very Good. The recommended improvements would lift it to C (score 73), a 2-band jump. Main heating runs on electricity.

Today's modelled estimate of £204,000 sits 77.4% above the 2014 sale of £115,000. On a £-per-square-foot basis, the last sale (£130/sq ft) was about 22.6% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). 12 years since the last transfer (January 2014).