Wentloog House, Mill Lane, Castleton, Cardiff, CF3 2UT

Wentloog House is a detached house in Castleton, Cardiff, Cardiff (CF3 2UT). It has a recorded floor area of 202 m² (around 2174 sq ft) and construction records dating it to 1950-1966. The latest certificate (August 2020) shows a D (score 57), a step below the typical UK home. When first surveyed in June 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 78).

At 202 m² it sits well below the postcode median (323 m² across 10 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2021. Past consents include an extension and an annexe, meaningful when judging how the property has evolved. Across 2014–2021, sale prices on this property compounded at 8.6% per year. Today's modelled estimate of £792,000 is 21.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£299/sq ft) was about 89.1% above the typical sold price in the postcode. Most recent transfer: February 2021 at £650,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.