502a, Flat 5, Bethnal Green Road, Tower Hamlets, London, E2 0EA

502a is an end-of-terrace house in Tower Hamlets, London, London (E2 0EA). It has a recorded floor area of 40 m² (around 431 sq ft) and construction records dating it to 1900-1929. The latest certificate (April 2018) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in November 2014 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Good and window efficiency went from Average to Very Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Average to Very Poor. Main heating runs on electricity: electricity, unspecified tariff. At 40 m² this is the 3rd smallest of 5 units on EPC record in 502a, where floor areas span 38–54 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 (64 versus a best of 71).

At 40 m² it's 29.8% smaller than the typical home in the postcode (57 m² median across 17 EPCs).