1b, Alderton Road, Bristol, BS7 0UY

1b is a two-bedroom detached house in Bristol (BS7 0UY). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 2007-2011 and council tax band B. At 42 m² this is the smallest unit on EPC record across the building (42–105 m²). The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (77 versus a worst of 48). The latest certificate (January 2023) shows a C (score 77), near the top of the C band. Earlier certificates rated it B (October 2009); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Good and roof efficiency dropped from Very Good to Average.

Held since January 2010 — that's 16 years off the open market, well above the local norm. Today's modelled estimate of £200,000 sits 100% above the 2010 sale of £100,000. On a £-per-square-foot basis, the last sale (£221/sq ft) was about 20.2% below the postcode norm. At 42 m² it sits well below the postcode median (81 m² across 9 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 78% of similar EPCs).