25 Northumberland Road, Harrow, HA2 7RA

25 Northumberland Road is a one-bedroom semi-detached house in Harrow (HA2 7RA). It has a recorded floor area of 26 m² (around 280 sq ft), construction records dating it to 1930-1949 and council tax band E. At 26 m² this is the smallest unit on EPC record across the building (26–165 m²). The building's EPC ratings span E to A across 29 units on file. Other recorded features include a self-contained annexe. The latest certificate (January 2017) shows a C (score 77), near the top of the C band. When first surveyed in April 2014 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Average to Good.

At 26 m² it sits well below the postcode median (111 m² across 28 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 82% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£1,876/sq ft) was about 580.9% above the typical sold price in the postcode. 11 years since the last transfer (January 2015).