Flat 8, 109 Bute Street, Cardiff, CF10 5AD

Flat 8 is a one-bedroom mid-terrace house in Cardiff (CF10 5AD). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1900-1929 and council tax band B. At 53 m² this is the 10th smallest of 12 units on EPC record in the building, where floor areas span 32–54 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (41 versus a best of 76). The latest certificate (October 2019) shows an E (score 41), well below the UK norm with real room to improve. Earlier certificates rated it D (September 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Poor. The recommended improvements would lift it to C (score 71), a 2-band jump. Main heating runs on electricity.

3 planning records sit against the property, 3 approved, 0 refused. Past consents include subdivision and change of use to residential, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Across 2006–2021, sale prices on this property compounded at -1.6% per year. Today's modelled estimate of £118,000 is 38.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£149/sq ft) was about 24.7% below the postcode norm. Most recent transfer: April 2021 at £85,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.