12 Meridian Plaza, Bute Terrace, Cardiff, CF10 2FP

12 Meridian Plaza is a mid-terrace house in Cardiff (CF10 2FP). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to 2003-2006 and council tax band C. At 30 m² this is the smallest unit on EPC record across the building (30–85 m²). The building's EPC ratings span D to B, with this unit at the top. On EPC score it ranks first in the building (87 versus a worst of 55). The latest certificate (May 2022) returns a high B (score 87), putting the home a stone's throw from an A rating. When first surveyed in January 2009 the rating was C, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Average and lighting went from Average to Very Good; while window efficiency dropped from Very Good to Good. Main heating runs on electricity.

At 30 m² it sits well below the postcode median (46 m² across 55 EPCs), making it one of the more compact homes locally. On a £-per-square-foot basis, the last sale (£325/sq ft) was about 23.2% above the typical sold price in the postcode. Sold August 2019 for £105,000.