12 Glan Tywi, Ferryside, SA17 5TG

12 Glan Tywi is a semi-detached house in Ferryside (SA17 5TG). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (September 2015) returns a high B (score 88), putting the home a stone's throw from an A rating. When first surveyed in October 2013 the rating was E, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Average to Good; while roof efficiency dropped from Good to Average and lighting dropped from Average to Very Poor. The recommended improvements would push it to A (score 97). The latest certificate is from September 2015, so improvements made since then won't be reflected.

Untraded for 17 years, with the last transfer in February 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £173,000 sits 116.3% above the 2009 sale of £80,000. On a £-per-square-foot basis, the last sale (£74/sq ft) was about 17.6% below the postcode norm. Its energy rating outperforms most of the postcode (better than 81% of similar EPCs).