9 Heatherdale Close, Gwersyllt, Wrexham, LL11 4SZ

9 Heatherdale Close is a two-bedroom semi-detached house in Gwersyllt, Wrexham, Wrexham (LL11 4SZ). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (January 2014) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 87), a 2-band jump. The latest certificate is from January 2014, so improvements made since then won't be reflected.

Held since March 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 £154,000 sits 262.4% above the 1999 sale of £42,500. On a £-per-square-foot basis, the last sale (£57/sq ft) was about 63.5% below the postcode norm.