12a, Gwaun Delyn Close, Nantyglo, Ebbw Vale, NP23 4NQ

12a is a detached house in Nantyglo, Ebbw Vale, Ebbw Vale (NP23 4NQ). It has a recorded floor area of 139 m² (around 1496 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (October 2014) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from October 2014, so improvements made since then won't be reflected.

Held since April 2003 — that's 23 years off the open market, well above the local norm. At 139 m² the property is well over the postcode median (106 m² across 13 EPCs), placing it in the larger end of the local stock. Across 2002–2003, sale prices on this property compounded at -38% per year. Today's modelled estimate of £349,000 sits 125.2% above the 2003 sale of £155,000. On a £-per-square-foot basis, the last sale (£104/sq ft) was about 34.5% above the typical sold price in the postcode.