Breakwater House, Apartment 23, Ferry Court, Cardiff, CF11 0JQ

Breakwater House is a two-bedroom semi-detached house in Cardiff (CF11 0JQ). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1996-2002 and council tax band E. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a balcony. At 67 m² this is the 35th smallest of 52 units on EPC record in Breakwater House, where floor areas span 35–100 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (December 2018) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80). Main heating runs on electricity.

Held since April 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Across 2006–2009, sale prices on this property compounded at -25.6% per year. Today's modelled estimate of £140,000 is 21.7% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£159/sq ft) was about 45.3% below the postcode norm.