12b, Clive Road, Canton, Cardiff, CF5 1HJ

12b is a detached house in Canton, Cardiff, Cardiff (CF5 1HJ). It has a recorded floor area of 136 m² (around 1468 sq ft) and construction records dating it to 1950-1966. The latest certificate (April 2010) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 82), a 3-band jump. The latest certificate is from April 2010, so improvements made since then won't be reflected. At 136 m² this is the 16th smallest of 20 units on EPC record in the building, where floor areas span 45–180 m². The building's EPC ratings span F to C across 20 units on file.

At 136 m² the property is well over the postcode median (84 m² across 19 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £323,000 is 21.9% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£181/sq ft) was about 19.4% below the postcode norm. 10 years since the last transfer (August 2016).