Flat 3, 27 East Avenue, London, E17 9NG

Flat 3 is an end-of-terrace house in London (E17 9NG). It has a recorded floor area of 20 m² (around 215 sq ft) and construction records dating it to 1900-1929. The latest certificate (June 2021) shows an E (score 51), well below the UK norm with real room to improve. When first surveyed in October 2015 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and roof efficiency went from Very Poor to Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. At 20 m² this is the 4th smallest of 6 units on EPC record in the building, where floor areas span 15–22 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 (51 versus a best of 77).

At 20 m² it sits well below the postcode median (62 m² across 30 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs).