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

24 Caldey Island House is a two-bedroom mid-terrace house in Cardiff (CF11 0JN). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 2007-2011 and council tax band E. At 36 m² this is the smallest unit on EPC record across the building (36–87 m²). The building's EPC ratings span E to B across 86 units on file. The latest certificate (July 2026) shows a C (score 73). The rating has held steady at C across 3 certificates since November 2008. Between certificates, hot-water efficiency went from Very Poor to Average and lighting went from Very Poor to Average; while window efficiency dropped from Good to Poor. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.

Today's modelled estimate of £177,000 is 17.7% below the 2006 sale of £215,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£555/sq ft) was about 84.6% above the typical sold price in the postcode. It hasn't traded since September 2006, a hold of 20 years that's notably long for the area. At 36 m² it sits well below the postcode median (60 m² across 85 EPCs), making it one of the more compact homes locally.