23 Heol Isaf, Radyr, Cardiff, CF15 8AG

23 Heol Isaf is a two-bedroom semi-detached house in Radyr, Cardiff, Cardiff (CF15 8AG). It has a recorded floor area of 84 m² (around 906 sq ft), construction records dating it to before 1900 and council tax band D. At 84 m² this is the smallest unit on EPC record across the building (84–263 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (September 2009) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 61). The latest certificate is from September 2009, so improvements made since then won't be reflected.

At 84 m² it sits well below the postcode median (242 m² across 4 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include subdivision, an extension and partial demolition, meaningful when judging how the property has evolved. Across 2002–2023, sale prices on this property compounded at 4.5% per year. Today's modelled estimate of £202,000 is 26.2% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£177/sq ft) was about 89.3% above the typical sold price in the postcode. Most recent transfer: February 2023 at £160,000.