5b, Caldecote Grove, Birmingham, B9 5JA

5b is a one-bedroom semi-detached house in Birmingham (B9 5JA). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1930-1949 and council tax band A. At 49 m² this is the 11th smallest of 23 units on EPC record in the building, where floor areas span 46–60 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 77). The latest certificate (July 2014) shows an E (score 41), well below the UK norm with real room to improve. Earlier certificates rated it D (July 2014); the latest reading is one band lower. Between certificates, hot-water efficiency went from Poor to Average; while roof efficiency dropped from Very Good to Very Poor. The recommended improvements would lift it to C (score 70), a 2-band jump. The latest certificate is from July 2014, so improvements made since then won't be reflected.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £110,000 sits 52.8% above the 2017 sale of £72,000. On a £-per-square-foot basis, the last sale (£137/sq ft) was about 91.7% above the typical sold price in the postcode. On the market in July 2017 and unlisted since — roughly 9 years.