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

30 Eddystone House is a two-bedroom mid-terrace house in Cardiff (CF11 0AU). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 2007-2011 and council tax band E. The latest certificate (June 2021) returns a B (score 81), comfortably above the UK average. When first surveyed in November 2009 the rating was C, the property has climbed 1 band 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 67 m² this is the 30th 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. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a balcony.

Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). On the market in November 2011 and unlisted since — roughly 15 years. Across 2009–2011, sale prices on this property compounded at 9.2% per year.