21 Upper Colbren Road, Gwaun Cae Gurwen, Ammanford, SA18 1HR

21 Upper Colbren Road is a three-bedroom semi-detached house in Gwaun Cae Gurwen, Ammanford, Ammanford (SA18 1HR). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (January 2014) shows an E (score 49), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2013. Between certificates, lighting went from Poor to Good; while hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 3-band jump. The latest certificate is from January 2014, so improvements made since then won't be reflected. Other recorded features include a basement.

It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs). Across 2001–2022, sale prices on this property compounded at 5.3% per year. Today's modelled estimate of £193,000 is 31.3% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£118/sq ft) was about 52.3% above the typical sold price in the postcode. Sold March 2022 for £147,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.