21 Croftside, Etherley Moor, Bishop Auckland, DL14 0ST

21 Croftside is a four-bedroom detached house in Etherley Moor, Bishop Auckland, Bishop Auckland (DL14 0ST). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (July 2015) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 3 certificates since May 2010. Between certificates, roof efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from July 2015, so improvements made since then won't be reflected.

At 133 m² the property is well over the postcode median (79 m² across 21 EPCs), placing it in the larger end of the local stock. On the market in December 2011 and unlisted since — roughly 14 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 1996–2011, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £228,000 is 30.3% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£122/sq ft) was about 15.9% below the postcode norm.