10 Diana Road, Llandeilo, SA19 6RR

10 Diana Road is a semi-detached house in Llandeilo (SA19 6RR). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2012) shows a C (score 78), near the top of the C band. When first surveyed in March 2009 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Good and hot-water efficiency went from Very Poor to Average. The recommended improvements would push it to B (score 88). Main heating runs on dual fuel. The latest certificate is from June 2012, so improvements made since then won't be reflected.

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. Today's modelled estimate of £287,000 sits 79.4% above the 2009 sale of £159,950. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 20.7% below the postcode norm. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs).