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

23 Eddystone House is a semi-detached house in Cardiff (CF11 0AU). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1996-2002 and council tax band D. The latest certificate (October 2020) shows a C (score 70). When first surveyed in November 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Average to Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. Main heating runs on electricity. At 45 m² this is the 11th 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 across 35 units on file.

Most recent transfer: March 2021 at £119,950. Across the public record there are 5 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. At 45 m² it's 28.6% smaller than the typical home in the postcode (63 m² median across 34 EPCs). Today's modelled estimate of £142,000 is 18.4% above the 2021 sale price.