11 Cheadle Drive, Birmingham, B23 5XF

11 Cheadle Drive is a four-bedroom detached house in Birmingham (B23 5XF). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (November 2013) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2008. Between certificates, wall efficiency went from Average to Good and window efficiency went from Very Poor to Average; while hot-water efficiency dropped from Good to Average and lighting dropped from Average to Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from November 2013, so improvements made since then won't be reflected.

Held since February 1999 — that's 27 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 £319,000 sits 236% above the 1999 sale of £94,950. On a £-per-square-foot basis, the last sale (£94/sq ft) was about 35.8% below the postcode norm.