25 Marriott Road, Islington, London, N4 3QN

25 Marriott Road is a detached house in Islington, London, London (N4 3QN). It has a recorded floor area of 35 m² (around 377 sq ft) and construction records dating it to 1930-1949. At 35 m² this is the smallest unit on EPC record across the building (35–319 m²). The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (76 versus a worst of 45). The latest certificate (July 2019) shows a C (score 76), near the top of the C band. When first surveyed in February 2009 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Poor. The recommended improvements would push it to B (score 82). Main heating runs on electricity.

At 35 m² it sits well below the postcode median (67 m² across 17 EPCs), making it one of the more compact homes locally. 6 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved.