18 Eldon Terrace, Ferryhill, DL17 0AW

18 Eldon Terrace is a two-bedroom mid-terrace house in Ferryhill (DL17 0AW). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (April 2015) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since February 2014. Between certificates, roof efficiency went from Very Poor to Good and lighting went from Poor to Average; while window efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from April 2015, so improvements made since then won't be reflected.

Held since February 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2000–2007, sale prices on this property compounded at 22.8% per year. Today's modelled estimate of £105,000 sits 53.4% above the 2007 sale of £68,450. On a £-per-square-foot basis, the last sale (£78/sq ft) was about 85% above the typical sold price in the postcode.