3 Harbour Crescent, Trefechan, Aberystwyth, SY23 1BG

3 Harbour Crescent is a semi-detached house in Trefechan, Aberystwyth, Aberystwyth (SY23 1BG). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1930-1949 and council tax band C. At 70 m² this is the largest unit on EPC record across the building (41–70 m²). The building's EPC ratings span F to C across 12 units on file. The latest certificate (August 2013) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it C (July 2013); the latest reading is 2 bands lower. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Very Good to Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity. The latest certificate is from August 2013, so improvements made since then won't be reflected.

At 70 m² the property is well over the postcode median (42 m² across 11 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.