11a, Causeway Street, Kidwelly, SA17 4SU

11a is a five-bedroom semi-detached house in Kidwelly (SA17 4SU). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (November 2020) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 4 certificates since July 2010. Between certificates, wall efficiency went from Poor to Good, window efficiency went from Poor to Average and lighting went from Poor to Very Good; while roof efficiency dropped from Poor to Very Poor. At 86 m² this is the 8th smallest of 34 units on EPC record in the building, where floor areas span 50–280 m². The building's EPC ratings span F to C across 34 units on file. Other recorded features include a self-contained annexe.

Untraded for 24 years, with the last transfer in April 2002. Today's modelled estimate of £168,000 sits 180% above the 2002 sale of £60,000. At 86 m² it's 17.3% smaller than the typical home in the postcode (104 m² median across 33 EPCs). 5 bedrooms is on the larger side for this postcode, where 3 is the typical count.