4 Llys Y Ddraenog, Margam, Port Talbot, SA13 2TQ

4 Llys Y Ddraenog is a four-bedroom detached house in Margam, Port Talbot, Port Talbot (SA13 2TQ). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (March 2014) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (December 2008); the latest reading is one band lower. Between certificates, roof efficiency dropped from Good to Average and lighting dropped from Good to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. The latest certificate is from March 2014, so improvements made since then won't be reflected. Other recorded features include a conservatory. The home occupies a cul-de-sac position.

Held since June 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 4.7% per year against 0% for the wider region. Today's modelled estimate of £308,000 sits 76% above the 2009 sale of £175,000.