1 Crown Cottages, Ystradgynlais, Swansea, SA9 1LN

1 Crown Cottages is a two-bedroom end-of-terrace house in Ystradgynlais, Swansea, Swansea (SA9 1LN). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (May 2025) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (April 2014); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 3-band jump.

Held since July 2005 — that's 21 years off the open market, well above the local norm. Across 1997–2005, sale prices on this property compounded at 22% per year. Today's modelled estimate of £124,000 sits 72.2% above the 2005 sale of £72,000. On a £-per-square-foot basis, the last sale (£142/sq ft) was about 29.2% above the typical sold price in the postcode. At 47 m² it sits well below the postcode median (79 m² across 4 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs).