Castle Buildings, Apartment 101, 32 Castle Street, Swansea, SA1 1JG

Castle Buildings is a mid-terrace house in Swansea (SA1 1JG). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1900-1929 and council tax band C. At 49 m² this is the 45th smallest of 73 units on EPC record in Castle Buildings, where floor areas span 32–96 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 84). The latest certificate (June 2019) shows an E (score 39), well below the UK norm with real room to improve. Earlier certificates rated it C (February 2009); the latest reading is 2 bands lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 71), a 2-band jump. Main heating runs on electricity.

Today's modelled estimate of £116,000 sits 64.5% above the 2014 sale of £70,500. On a £-per-square-foot basis, the last sale (£134/sq ft) was about 28.1% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Last changed hands 12 years ago, in July 2014.