1 Dan Y Bryn Avenue, Radyr, Cardiff, CF15 8DB

1 Dan Y Bryn Avenue is a two-bedroom detached house in Radyr, Cardiff, Cardiff (CF15 8DB). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (March 2017) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in August 2011 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would push it to C (score 77). At 80 m² this is the 2nd smallest of 11 units on EPC record in the building, where floor areas span 64–288 m². The building's EPC ratings span F to C across 11 units on file.

Held since September 2003 — that's 23 years off the open market, well above the local norm. One planning application is currently pending a decision in 2026. Today's modelled estimate of £239,000 sits 64.8% above the 2003 sale of £145,000. On a £-per-square-foot basis, the last sale (£168/sq ft) was about 44% below the postcode norm. At 80 m² it sits well below the postcode median (186 m² across 10 EPCs), making it one of the more compact homes locally.