Castle Mill, End Cottage, Linby Lane, Papplewick, Nottingham, NG15 8FB

Castle Mill is an end-of-terrace house in Papplewick, Nottingham, Nottingham (NG15 8FB). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (September 2022) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in February 2009 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Good to Very Good and main heating went from Average to Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump.

Held since August 1996 — that's 30 years off the open market, well above the local norm. 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 £234,000 sits 568.6% above the 1996 sale of £35,000. On a £-per-square-foot basis, the last sale (£31/sq ft) was about 81.9% below the postcode norm.