Herbert House, Flat 6, 312 Kennington Lane, Lambeth, London, SE11 5HY

Herbert House is a mid-terrace house in Lambeth, London, London (SE11 5HY). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (January 2023) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in April 2019 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Poor to Good and lighting went from Good to Very Good; while wall efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity. At 42 m² this is the 2nd smallest of 3 units on EPC record in Herbert House, where floor areas span 36–63 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (62 versus a best of 72).

2 planning records sit against the property, 0 approved, 2 refused. The record references listed-building consent, which constrain future alterations. At 42 m² it sits well below the postcode median (96 m² across 22 EPCs), making it one of the more compact homes locally.