4 Western Street, Swansea, SA1 3JZ

4 Western Street is a mid-terrace house in Swansea (SA1 3JZ). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1900-1929 and council tax band B. At 54 m² this is the 2nd smallest of 26 units on EPC record in the building, where floor areas span 29–169 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (42 versus a best of 77). The latest certificate (January 2024) shows an E (score 42), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since July 2018. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Poor to Average. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity.

Untraded for 19 years, with the last transfer in October 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 54 m² it sits well below the postcode median (88 m² across 25 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: change of use to residential approved in 2008. Past consents include change of use to residential, meaningful when judging how the property has evolved. Today's modelled estimate of £115,000 is 35.3% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£146/sq ft) was about 31.4% above the typical sold price in the postcode.