Flat 1, 13 Great Western Crescent, Llanelli, SA15 2RL

Flat 1 is a semi-detached house in Llanelli (SA15 2RL). It has a recorded floor area of 33 m² (around 355 sq ft) and construction records dating it to 1930-1949. The latest certificate (June 2017) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in September 2016 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while main heating dropped from Average to Very Poor. The recommended improvements would push it to C (score 73). Main heating runs on electricity. At 33 m² this is the 3rd smallest of 4 units on EPC record in the building, where floor areas span 20–33 m². On EPC score it ranks last in the building (63 versus a best of 68).

Today's modelled estimate of £156,000 sits 132.8% above the 2015 sale of £67,000. On a £-per-square-foot basis, the last sale (£189/sq ft) was about 153.6% above the typical sold price in the postcode. At 33 m² it sits well below the postcode median (51 m² across 23 EPCs), making it one of the more compact homes locally. Last changed hands 11 years ago, in October 2015.