21 Gron Road, Gwaun Cae Gurwen, Ammanford, SA18 1HD

21 Gron Road is a three-bedroom detached house in Gwaun Cae Gurwen, Ammanford, Ammanford (SA18 1HD). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (October 2025) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in November 2012 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Poor to Very Good. The recommended improvements would push it to C (score 77).

One planning record on file: an extension approved in 2018. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Across 2018–2022, sale prices on this property compounded at 28.8% per year. Today's modelled estimate of £244,000 is 16.2% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£235/sq ft) was about 169.3% above the typical sold price in the postcode. At 83 m² it's 23.9% smaller than the typical home in the postcode (109 m² median across 12 EPCs). Sold January 2022 for £210,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.