11a, Ferndale Road, Coal Aston, Dronfield, S18 3BT

11a is a detached house in Coal Aston, Dronfield, Dronfield (S18 3BT). It has a recorded floor area of 131 m² (around 1410 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (February 2017) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76).

Held since December 1997 — that's 28 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 131 m² the property is well over the postcode median (99 m² across 7 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £382,000 sits 649% above the 1997 sale of £51,000. On a £-per-square-foot basis, the last sale (£36/sq ft) was about 80.5% below the postcode norm.