1 The Grove, Cardiff Road, Creigiau, Cardiff, CF15 9NL

1 The Grove is a detached house in Creigiau, Cardiff, Cardiff (CF15 9NL). It has a recorded floor area of 64 m² (around 689 sq ft) and construction records dating it to 1983-1990. At 64 m² this is the smallest unit on EPC record across the building (64–189 m²). The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (48 versus a best of 86). The latest certificate (February 2023) shows an E (score 48), well below the UK norm with real room to improve. Earlier certificates rated it D (January 2013); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Very Poor to Poor and lighting went from Very Poor to Average. Main heating runs on electricity.

Across 2017–2018, sale prices on this property compounded at -98.3% per year. Today's modelled estimate of £601,000 sits 5910% above the 2018 sale of £10,000. On a £-per-square-foot basis, the last sale (£15/sq ft) was about 93.5% below the postcode norm. At 64 m² it sits well below the postcode median (188 m² across 28 EPCs), making it one of the more compact homes locally. Last sold in March 2018, so it's been off the market for around 8 years. One historical planning record sits against the property in 2017.