24 Helmsley Drive, Coundon, Bishop Auckland, DL14 8NX

24 Helmsley Drive is a semi-detached house in Coundon, Bishop Auckland, Bishop Auckland (DL14 8NX). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (May 2014) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since March 2014. Between certificates, wall efficiency went from Average to Good and lighting went from Very Poor to Average; while roof efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 88), a 2-band jump. The latest certificate is from May 2014, so improvements made since then won't be reflected.

It hasn't traded since February 1996, a hold of 30 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £142,000 sits 222.3% above the 1996 sale of £44,065. On a £-per-square-foot basis, the last sale (£54/sq ft) was about 50.6% below the postcode norm.