3 Nant Yr Ynys, Llanpumsaint, Carmarthen, SA33 6LJ

3 Nant Yr Ynys is a detached house in Llanpumsaint, Carmarthen, Carmarthen (SA33 6LJ). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (February 2016) shows a G (score 16), near the bottom of the EPC scale. Earlier certificates rated it F (September 2015); the latest reading is one band lower. Between certificates, wall efficiency went from Poor to Average; while lighting dropped from Average to Poor. The recommended improvements would lift it to A (score 105), a 6-band jump. Main heating runs on oil. The latest certificate is from February 2016, so improvements made since then won't be reflected.

It hasn't traded since August 2001, a hold of 25 years that's notably long for the area. At 79 m² it sits well below the postcode median (121 m² across 20 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £238,000 sits 434.8% above the 2001 sale of £44,500. On a £-per-square-foot basis, the last sale (£52/sq ft) was about 65.5% below the postcode norm.