11 Duncansby House, Ferry Court, Cardiff, CF11 0AT

11 Duncansby House is a mid-terrace house in Cardiff (CF11 0AT). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 2007 onwards and council tax band D. The latest certificate (June 2022) returns a B (score 83), comfortably above the UK average. When first surveyed in December 2008 the rating was C, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while main heating dropped from Average to Very Poor. Main heating runs on electricity. At 43 m² this is the 15th smallest of 65 units on EPC record in the building, where floor areas span 32–79 m². The building's EPC ratings span E to B, with this unit at the top.

Across 2008–2023, sale prices on this property compounded at -2.4% per year. Today's modelled estimate of £126,000 is 26% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£216/sq ft) was about 17.1% below the postcode norm. At 43 m² it's 28.8% smaller than the typical home in the postcode (60 m² median across 64 EPCs). Most recent transfer: May 2023 at £100,000.