7 Derwent View, Mastin Moor, Chesterfield, S43 3BA

7 Derwent View is a three-bedroom semi-detached house in Mastin Moor, Chesterfield, Chesterfield (S43 3BA). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1950-1966 and council tax band A. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. The latest certificate (January 2017) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2013. Between certificates, wall efficiency went from Very Poor to Good; while roof efficiency dropped from Average to Very Poor and window efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 80), a 2-band jump.

Today's modelled estimate of £150,000 sits 79.6% above the 2015 sale of £83,500. On a £-per-square-foot basis, the last sale (£109/sq ft) was about 25.9% above the typical sold price in the postcode. At 71 m² it's 21.1% smaller than the typical home in the postcode (90 m² median across 18 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). 12 years since the last transfer (January 2015).