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 B, with this unit at the bottom. On EPC score it ranks last in the building (58 versus a best of 83). 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.

Across 2008–2018, sale prices on this property compounded at 2.3% per year. Today's modelled estimate of £252,000 is 16% below the 2018 sale of £300,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£376/sq ft) was about 24.6% above the typical sold price in the postcode. At 74 m² it's 25.8% larger than the typical home in the postcode (59 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.