80 Llanllienwen Close, Ynysforgan, Swansea, SA6 6NF

80 Llanllienwen Close is an end-of-terrace house in Ynysforgan, Swansea, Swansea (SA6 6NF). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1967-1975 and council tax band A. At 46 m² this is the 17th smallest of 39 units on EPC record in the building, where floor areas span 36–88 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (44 versus a best of 82). The latest certificate (February 2021) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £105,000 sits 100% above the 2021 sale of £52,500. On a £-per-square-foot basis, the last sale (£106/sq ft) was about 19.6% above the typical sold price in the postcode. Last sale on file: £52,500 in March 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.