23 Brongwinau, Comins Coch, Aberystwyth, SY23 3BQ

23 Brongwinau is a two-bedroom semi-detached house in Comins Coch, Aberystwyth, Aberystwyth (SY23 3BQ). It has a recorded floor area of 74 m² (around 793 sq ft), construction records dating it to 1950-1966 and council tax band B. At 74 m² this is the 34th smallest of 67 units on EPC record in the building, where floor areas span 37–149 m². The building's EPC ratings span E to A, with this unit at the bottom. The latest certificate (October 2008) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 57). Main heating runs on electricity. The latest certificate is from October 2008, so improvements made since then won't be reflected.

Untraded for 22 years, with the last transfer in December 2003. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £118,000 sits 76.1% above the 2003 sale of £67,000. On a £-per-square-foot basis, the last sale (£85/sq ft) was about 42.3% below the postcode norm.