100a, Carmarthen Road, Cross Hands, Llanelli, SA14 6SU

100a is a detached house in Cross Hands, Llanelli, Llanelli (SA14 6SU). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (June 2012) shows an E (score 47), well below the UK norm with real room to improve. When first surveyed in October 2009 the rating was G, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Very Poor to Average and main heating went from Very Poor to Poor; while lighting dropped from Very Good to Average. The recommended improvements would push it to D (score 66). Main heating runs on electricity. The latest certificate is from June 2012, so improvements made since then won't be reflected. At 55 m² this is the 3rd smallest of 48 units on EPC record in the building, where floor areas span 36–275 m². The building's EPC ratings span G to B across 48 units on file.

Held since August 2003 — that's 23 years off the open market, well above the local norm. Across 2001–2003, sale prices on this property compounded at -2.3% per year. Today's modelled estimate of £137,000 sits 163.5% above the 2003 sale of £52,000. At 55 m² it sits well below the postcode median (97 m² across 47 EPCs), making it one of the more compact homes locally.