12 Flatholm House, Ferry Court, Cardiff, CF11 0JB

12 Flatholm House is a one-bedroom mid-terrace house in Cardiff (CF11 0JB). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 2003-2006 and council tax band D. There is a swimming pool on the plot, uncommon for the area. At 60 m² this is the 27th smallest of 46 units on EPC record in the building, where floor areas span 38–88 m². The building's EPC ratings span D to B across 46 units on file. The latest certificate (March 2020) shows a C (score 76), near the top of the C band. When first surveyed in March 2010 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Very Poor to Average. The recommended improvements would push it to B (score 83). Main heating runs on electricity.

Across 2003–2015, sale prices on this property compounded at -2.3% per year. Today's modelled estimate of £131,000 is 27.2% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£159/sq ft) was about 25.9% below the postcode norm. On the market in October 2015 and unlisted since — roughly 11 years.