20 James Street, Llanelli, SA15 1DU

20 James Street is a three-bedroom mid-terrace house in Llanelli (SA15 1DU). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (May 2022) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in September 2009 the rating was G, the property has climbed 3 bands since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Very Poor to Good and lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 83), a 2-band jump.

Untraded for 16 years, with the last transfer in December 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £127,000 sits 111.7% above the 2009 sale of £60,000. On a £-per-square-foot basis, the last sale (£59/sq ft) was about 15.8% below the postcode norm.