20 Riversdale, Llandaff, Cardiff, CF5 2QL

20 Riversdale is a mid-terrace house in Llandaff, Cardiff, Cardiff (CF5 2QL). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (September 2019) shows a C (score 73). The rating has held steady at C across 2 certificates since October 2009. Between certificates, roof efficiency went from Average to Good and lighting went from Average to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to A (score 92), a 2-band jump.

Held since November 1997 — that's 29 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £234,000 sits 345.7% above the 1997 sale of £52,500. On a £-per-square-foot basis, the last sale (£96/sq ft) was about 57.9% below the postcode norm. One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved.