4 Llys Y Deri, Hopkinstown, Ammanford, SA18 2JE

4 Llys Y Deri is a two-bedroom mid-terrace house in Hopkinstown, Ammanford, Ammanford (SA18 2JE). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1967-1975 and council tax band B. Tenure is freehold. The latest certificate (October 2016) shows an E (score 44), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2009. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Poor to Average and main heating went from Poor to Average; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 85), a 3-band jump. Main heating runs on electricity.

At 75 m² it sits well below the postcode median (108 m² across 10 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2020–2022, sale prices on this property compounded at 16.6% per year. Today's modelled estimate of £137,000 is 10.5% above the 2022 sale price. Sold October 2022 for £124,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.