20 Clos Waun Wen, Llangyfelach, Swansea, SA6 6EF

20 Clos Waun Wen is a semi-detached house in Llangyfelach, Swansea, Swansea (SA6 6EF). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (August 2025) returns a high B (score 90), putting the home a stone's throw from an A rating. When first surveyed in February 2017 the rating was D, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Very Good; while window efficiency dropped from Average to Poor.

At 80 m² the property is well over the postcode median (60 m² across 14 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1995–2017, sale prices on this property compounded at 5.5% per year. Today's modelled estimate of £189,000 is 40% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£157/sq ft) was about 18.3% above the typical sold price in the postcode. On the market in June 2017 and unlisted since — roughly 9 years.