15 Redwood Close, St Mellons, Cardiff, CF3 0BX

15 Redwood Close is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0BX). It has a recorded floor area of 26 m² (around 276 sq ft), construction records dating it to 1983-1990 and council tax band A. At 26 m² this is the smallest unit on EPC record across the building (26–60 m²). The building's EPC ratings span F to C across 14 units on file. The latest certificate (February 2012) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2008); the latest reading is one band lower. Between certificates, wall efficiency went from Average to Good and window efficiency went from Average to Good; while main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on to be used only when there is no heating/hot. The latest certificate is from February 2012, so improvements made since then won't be reflected.

Today's modelled estimate of £98,000 sits 96% above the 2016 sale of £50,000. On a £-per-square-foot basis, the last sale (£181/sq ft) was about 25% above the typical sold price in the postcode. At 26 m² it sits well below the postcode median (40 m² across 13 EPCs), making it one of the more compact homes locally. 10 years since the last transfer (February 2016).