309a, Kingstanding Road, Birmingham, B44 9TH

309a is a mid-terrace house in Birmingham (B44 9TH). It has a recorded floor area of 78 m² (around 840 sq ft) and construction records dating it to 1930-1949. The latest certificate (March 2022) shows a G (score 4), near the bottom of the EPC scale. The recommended improvements would lift it to E (score 47), a 2-band jump. Main heating runs on electricity. At 78 m² this is the 11th smallest of 24 units on EPC record in the building, where floor areas span 39–110 m². The building's EPC ratings span G to C, with this unit at the bottom. On EPC score it ranks last in the building (4 versus a best of 75).

Untraded for 27 years, with the last transfer in May 1999. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £132,000 sits 560% above the 1999 sale of £20,000. On a £-per-square-foot basis, the last sale (£24/sq ft) was about 78.6% below the postcode norm.