18 Painters Row, Treherbert, Treorchy, CF42 5AU

18 Painters Row is an end-of-terrace house in Treherbert, Treorchy, Treorchy (CF42 5AU). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (March 2015) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in October 2013 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Poor to Average and hot-water efficiency went from Poor to Good; while lighting dropped from Good to Very Poor. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from March 2015, so improvements made since then won't be reflected.

Held since March 2005 — that's 21 years off the open market, well above the local norm. Today's modelled estimate of £114,000 sits 165.1% above the 2005 sale of £43,000. On a £-per-square-foot basis, the last sale (£42/sq ft) was about 15.2% below the postcode norm. At 94 m² it's 27% larger than the typical home in the postcode (74 m² median across 12 EPCs).