Castle Court, Flat 3, Caer Graig, Radyr, Cardiff, CF15 8RD

Castle Court is an end-of-terrace house in Radyr, Cardiff, Cardiff (CF15 8RD). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1976-1982 and council tax band B. At 55 m² this is the 2nd smallest of 4 units on EPC record in Castle Court, where floor areas span 51–85 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (67 versus a best of 71). The latest certificate (February 2026) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it B (October 2009); the latest reading is 2 bands lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 70). This certificate was lodged in the last six months, so the rating reflects current condition.

Across 1997–2015, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £141,000 sits 76.3% above the 2015 sale of £80,000. On a £-per-square-foot basis, the last sale (£135/sq ft) was about 31% below the postcode norm. At 55 m² it sits well below the postcode median (90 m² across 13 EPCs), making it one of the more compact homes locally. Last changed hands 11 years ago, in March 2015.