Delven House, Flat 4, 12 Delven Lane, Castle Donington, Derby, DE74 2LJ

Delven House is a one-bedroom mid-terrace house in Castle Donington, Derby, Derby (DE74 2LJ). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1900-1929 and council tax band A. Tenure is freehold. At 38 m² this is the 4th smallest of 6 units on EPC record in Delven House, where floor areas span 25–53 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (74 versus a worst of 56). The latest certificate (November 2018) shows a C (score 74). The rating has held steady at C across 2 certificates since October 2008. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Very Poor to Poor; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.

Untraded for 18 years, with the last transfer in August 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include subdivision, meaningful when judging how the property has evolved. Today's modelled estimate of £123,000 is 17.1% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£257/sq ft) was about 24.7% above the typical sold price in the postcode. At 38 m² it's 25.5% smaller than the typical home in the postcode (51 m² median across 12 EPCs).