4 Treetops, Portskewett, Caldicot, NP26 5SQ

4 Treetops is a four-bedroom detached house in Portskewett, Caldicot, Caldicot (NP26 5SQ). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (February 2014) shows a D (score 63), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2009); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from February 2014, so improvements made since then won't be reflected.

It hasn't traded since July 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 9% per year against 0% for the wider region. Today's modelled estimate of £396,000 sits 60% above the 2009 sale of £247,500.