Flat, 7 High Street, Treorchy, CF42 6AE

Flat is a mid-terrace house in Treorchy (CF42 6AE). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to before 1900 and council tax band A. At 53 m² this is the smallest unit on EPC record across the building (53–122 m²). The building's EPC ratings span E to D, with this unit at the top. On EPC score it ranks first in the building (59 versus a worst of 49). The latest certificate (June 2014) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since June 2014. Between certificates, lighting went from Very Poor to Average; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 73). The latest certificate is from June 2014, so improvements made since then won't be reflected.

It hasn't traded since April 1999, a hold of 27 years that's notably long for the area. Across 1995–1999, sale prices on this property compounded at -46% per year. Today's modelled estimate of £144,000 sits 1594.1% above the 1999 sale of £8,500.