Altolusso, Flat 9, Bute Terrace, Cardiff, CF10 2FF

Altolusso is a two-bedroom mid-terrace house in Cardiff (CF10 2FF). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (August 2019) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since May 2009. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity. At 91 m² this is the 81st smallest of 83 units on EPC record in Altolusso, where floor areas span 47–116 m². The building's EPC ratings span E to B across 83 units on file.

At 91 m² the property is well over the postcode median (66 m² across 82 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2004–2025, sale prices on this property compounded at -1.2% per year. Today's modelled estimate of £186,000 sits 59% above the 2025 sale of £117,000. On a £-per-square-foot basis, the last sale (£119/sq ft) was about 42.4% below the postcode norm. Most recent transfer was December 2025 at £117,000 — fresh data.