12 The Malthouse, Caroline Street, Cardiff, CF10 1FP

12 The Malthouse is a two-bedroom end-of-terrace house in Cardiff (CF10 1FP). It has a recorded floor area of 109 m² (around 1178 sq ft), construction records dating it to 1996-2002 and council tax band G. At 109 m² this is the largest unit on EPC record across the building (44–109 m²). The building's EPC ratings span E to C across 11 units on file. The latest certificate (February 2009) shows a D (score 58), a step below the typical UK home. When first surveyed in October 2008 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good and hot-water efficiency went from Poor to Average; while roof efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 75). Main heating runs on electricity. The latest certificate is from February 2009, so improvements made since then won't be reflected.

Untraded for 22 years, with the last transfer in November 2004. At 109 m² it's 28.7% larger than the typical home in the postcode (85 m² median across 10 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). Across 2003–2004, sale prices on this property compounded at -13.8% per year. Today's modelled estimate of £279,000 is 13.9% above the 2004 sale price.