15b, Cazenove Road, Waltham Forest, London, E17 4NP

15b is a mid-terrace house in Waltham Forest, London, London (E17 4NP). It has a recorded floor area of 40 m² (around 431 sq ft) and construction records dating it to 1930-1949. The latest certificate (September 2024) shows an E (score 50), well below the UK norm with real room to improve. When first surveyed in November 2017 the rating was G, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. At 40 m² this is the 2nd smallest of 30 units on EPC record in the building, where floor areas span 34–161 m². The building's EPC ratings span F to C across 30 units on file.

At 40 m² it sits well below the postcode median (87 m² across 29 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 72% of similar EPCs).