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

3 Caldey Island House is a two-bedroom property in Cardiff (CF11 0JN). It has a recorded floor area of 74 m² (around 799 sq ft). At 74 m² this is the largest unit on EPC record across 3 Caldey Island House (42–74 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (58 versus a best of 80). The latest certificate (February 2011) shows a D (score 58), a step below the typical UK home. Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from February 2011, so improvements made since then won't be reflected.

At 74 m² it's 23.7% larger than the typical home in the postcode (60 m² median across 85 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last sale on file: £300,000 in September 2018. Across the public record there are 4 sales, relatively high churn for a single property. Across 2008–2018, sale prices on this property compounded at 2.3% per year. On a £-per-square-foot basis, the last sale (£376/sq ft) was about 25% above the typical sold price in the postcode.