15 Caldey Island House, Ferry Court, Cardiff, CF11 0JN

15 Caldey Island House is a two-bedroom mid-terrace house in Cardiff (CF11 0JN). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 2003-2006 and council tax band E. There is a swimming pool on the plot, uncommon for the area. At 43 m² this is the 19th smallest of 86 units on EPC record in the building, where floor areas span 36–87 m². The building's EPC ratings span E to B across 86 units on file. The latest certificate (May 2019) shows a C (score 80), near the top of the C band. When first surveyed in June 2009 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Average, lighting went from Poor to Good and main heating went from Very Poor to Average. Main heating runs on electricity.

Today's modelled estimate of £164,000 is 25.5% below the 2006 sale of £220,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£475/sq ft) was about 58.1% above the typical sold price in the postcode. Untraded for 20 years, with the last transfer in July 2006. At 43 m² it's 29.5% smaller than the typical home in the postcode (61 m² median across 85 EPCs).