4 Clos Y Dderwen, Blaenplwyf, Aberystwyth, SY23 4BL

4 Clos Y Dderwen is a two-bedroom semi-detached house in Blaenplwyf, Aberystwyth, Aberystwyth (SY23 4BL). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 2007-2011 and council tax band B. At 58 m² this is the smallest unit on EPC record across the building (58–138 m²). The building's EPC ratings span D to B across 5 units on file. The latest certificate (April 2022) shows a C (score 71). When first surveyed in January 2010 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. Main heating runs on electricity.

At 58 m² it sits well below the postcode median (120 m² across 4 EPCs), making it one of the more compact homes locally. Across 2011–2022, sale prices on this property compounded at 1.3% per year. Sold November 2022 for £98,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.