13 Eddystone House, Ferry Court, Cardiff, CF11 0AU

13 Eddystone House is a mid-terrace house in Cardiff (CF11 0AU). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 2007-2011 and council tax band D. The latest certificate (May 2023) returns a high B (score 85), putting the home a stone's throw from an A rating. When first surveyed in November 2009 the rating was D, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Good. Main heating runs on electricity. At 40 m² this is the 2nd smallest of 35 units on EPC record in the building, where floor areas span 38–95 m². The building's EPC ratings span D to B, with this unit at the top.

Untraded for 16 years, with the last transfer in February 2010. At 40 m² it sits well below the postcode median (63 m² across 34 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). Today's modelled estimate of £124,000 is 18.1% above the 2010 sale price.