6 Mary Street, Treherbert, Treorchy, CF42 5AE

6 Mary Street is an end-of-terrace house in Treherbert, Treorchy, Treorchy (CF42 5AE). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (February 2024) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since August 2021. Between certificates, roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 82), a 2-band jump.

6 planning records sit against the property, 6 approved, 0 refused. Past consents include an annexe and an extension, meaningful when judging how the property has evolved. At 88 m² it's 28.5% larger than the typical home in the postcode (69 m² median across 12 EPCs). Across 2005–2021, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £169,000 is 20.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£148/sq ft) was about 107.1% above the typical sold price in the postcode. Last sale on file: £139,995 in November 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.