21 Aldsworth Road, Cardiff, CF5 1AA

21 Aldsworth Road is a mid-terrace house in Cardiff (CF5 1AA). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to before 1900 and council tax band C. At 46 m² this is the smallest unit on EPC record across the building (46–134 m²). The building's EPC ratings span F to C, with this unit at the top. The latest certificate (June 2019) shows a C (score 71). The rating has held steady at C across 2 certificates since June 2019.

It hasn't traded since March 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 46 m² it sits well below the postcode median (95 m² across 29 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 76% of similar EPCs). One planning record on file: subdivision approved in 2009. Past consents include subdivision, meaningful when judging how the property has evolved. Across 2007–2009, sale prices on this property compounded at 16.7% per year. Today's modelled estimate of £188,000 is 38.2% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£275/sq ft) was about 96.5% above the typical sold price in the postcode.