20b, Filton Road, Horfield, Bristol, BS7 0PA

20b is a two-bedroom end-of-terrace house in Horfield, Bristol, Bristol (BS7 0PA). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1900-1929 and council tax band A. At 42 m² this is the 4th smallest of 18 units on EPC record in the building, where floor areas span 18–85 m². The building's EPC ratings span G to C, with this unit at the top. Our model identifies extension potential, subject to local planning policy. The latest certificate (February 2020) shows a C (score 76), near the top of the C band. When first surveyed in September 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and hot-water efficiency went from Good to Very Good; while wall efficiency dropped from Good to Poor.

Untraded for 27 years, with the last transfer in April 1999. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £191,000 sits 461.8% above the 1999 sale of £34,000. On a £-per-square-foot basis, the last sale (£75/sq ft) was about 59.4% below the postcode norm. At 42 m² it's 22.2% smaller than the typical home in the postcode (54 m² median across 17 EPCs). Its energy rating outperforms most of the postcode (better than 76% of similar EPCs).