10 Heol Callwen, Penycae, Swansea, SA9 1GR

10 Heol Callwen is a detached house in Penycae, Swansea, Swansea (SA9 1GR). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (December 2014) shows a D (score 57), a step below the typical UK home. When first surveyed in November 2014 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 75). Main heating runs on oil. The latest certificate is from December 2014, so improvements made since then won't be reflected.

It hasn't traded since June 2005, a hold of 21 years that's notably long for the area. At 122 m² the property is well over the postcode median (82 m² across 9 EPCs), placing it in the larger end of the local stock. Across 1999–2005, sale prices on this property compounded at 19.5% per year. Today's modelled estimate of £235,000 sits 147.4% above the 2005 sale of £95,000. On a £-per-square-foot basis, the last sale (£72/sq ft) was about 37.7% below the postcode norm. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved.