Breakwater House, Apartment 1, Ferry Court, Cardiff, CF11 0JQ

Breakwater House is a one-bedroom semi-detached house in Cardiff (CF11 0JQ). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (September 2019) returns a B (score 83), comfortably above the UK average. When first surveyed in October 2008 the rating was C, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Poor to Very Poor. Main heating runs on electricity. At 47 m² this is the 14th smallest of 53 units on EPC record in Breakwater House, where floor areas span 35–109 m². The building's EPC ratings span D to B, with this unit at the top.

Today's modelled estimate of £132,000 is 20% below the 2006 sale of £165,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£326/sq ft) was about 16.8% above the typical sold price in the postcode. It hasn't traded since December 2006, a hold of 20 years that's notably long for the area. At 47 m² it's 23% smaller than the typical home in the postcode (61 m² median across 52 EPCs).