Marwyn Bungalow, Abertonllwyd Street, Treherbert, Treorchy, CF42 5PF

Marwyn Bungalow is a four-bedroom detached house in Treherbert, Treorchy, Treorchy (CF42 5PF). It has a recorded floor area of 154 m² (around 1658 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (August 2019) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2012. Between certificates, hot-water efficiency went from Average to Good and lighting went from Good to Very Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 78).

At 154 m² the property is well over the postcode median (72 m² across 13 EPCs), placing it in the larger end of the local stock. Across 2002–2015, sale prices on this property compounded at 8% per year. Today's modelled estimate of £337,000 is 24.8% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£163/sq ft) was about 148.5% above the typical sold price in the postcode. 11 years since the last transfer (January 2015). 2 planning records sit against the property, 0 approved, 2 refused.