8 Allen Close, Old St Mellons, Cardiff, CF3 5DH

8 Allen Close is a four-bedroom detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5DH). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (April 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2011. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump.

At 117 m² the property is well over the postcode median (90 m² across 24 EPCs), placing it in the larger end of the local stock. Across 1997–2011, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £431,000 sits 72.4% above the 2011 sale of £249,999. On a £-per-square-foot basis, the last sale (£199/sq ft) was about 41.6% above the typical sold price in the postcode. Last sold in December 2011, so it's been off the market for around 14 years.