80a, Flat 4, Streatham High Road, Lambeth, London, SW16 1BS

80a is a mid-terrace house in Lambeth, London, London (SW16 1BS). It has a recorded floor area of 38 m² (around 409 sq ft) and construction records dating it to 1930-1949. At 38 m² this is the smallest unit on EPC record across 80a (38–75 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (52 versus a best of 67). The latest certificate (January 2020) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (March 2009); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity.

At 38 m² it sits well below the postcode median (86 m² across 17 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs).