9 Beaumonds, Upper Marlborough Road, St Albans, AL1 3NL

9 Beaumonds is a mid-terrace house in St Albans (AL1 3NL). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1983-1990 and council tax band D. At 38 m² this is the smallest unit on EPC record across the building (38–82 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 (June 2022) shows an E (score 41), well below the UK norm with real room to improve. Earlier certificates rated it C (March 2010); the latest reading is 2 bands lower. Between certificates, roof efficiency went from Average to Good, lighting went from Poor to Very Good and main heating went from Poor to Average; while wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity.

Untraded for 16 years, with the last transfer in April 2010. Across 1998–2010, sale prices on this property compounded at 9.9% per year. Today's modelled estimate of £217,000 is 17.3% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£452/sq ft) was about 33.8% above the typical sold price in the postcode. At 38 m² it's 18.3% smaller than the typical home in the postcode (47 m² median across 10 EPCs).