13 Cowper Street, Sinfin, Derby, DE24 9HB

13 Cowper Street is a two-bedroom mid-terrace house in Sinfin, Derby, Derby (DE24 9HB). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (January 2020) shows a C (score 71). When first surveyed in October 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average and roof efficiency went from Average to Good; while window efficiency dropped from Good to Average and lighting dropped from Good to Average. The recommended improvements would push it to B (score 87).

Held since October 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. Today's modelled estimate of £141,000 sits 78.5% above the 2007 sale of £79,000. On a £-per-square-foot basis, the last sale (£113/sq ft) was about 38% above the typical sold price in the postcode.