11 Clos Y Dderwen, Cross Hands, Llanelli, SA14 6RN

11 Clos Y Dderwen is a four-bedroom detached house in Cross Hands, Llanelli, Llanelli (SA14 6RN). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (December 2025) shows a C (score 78), near the top of the C band. When first surveyed in August 2015 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Good to Very Good and main heating went from Average to Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 81). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a conservatory. Records show the property has been extended at some point in its history.

Today's modelled estimate of £350,000 sits 52.2% above the 2017 sale of £230,000. On a £-per-square-foot basis, the last sale (£198/sq ft) was about 38.8% above the typical sold price in the postcode. At 108 m² it's 21.7% smaller than the typical home in the postcode (138 m² median across 14 EPCs). Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). Last changed hands 9 years ago, in March 2017.