224a, Cowbridge Road East, Cardiff, CF5 1GY

224a is a mid-terrace house in Cardiff (CF5 1GY). It has a recorded floor area of 37 m² (around 398 sq ft) and construction records dating it to 1930-1949. At 37 m² this is the smallest unit on EPC record across the building (37–106 m²). The building's EPC ratings span F to C, with this unit at the top. The latest certificate (January 2023) shows a C (score 69), just inside the C band. When first surveyed in October 2012 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while window efficiency dropped from Good to Average.

Held since October 2010 — that's 16 years off the open market, well above the local norm. At 37 m² it sits well below the postcode median (74 m² across 9 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 78% of similar EPCs). Today's modelled estimate of £191,000 is 27.3% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£377/sq ft) was about 124.5% above the typical sold price in the postcode.