1c, Bolton Road, Harrow, HA1 4SB

1c is a one-bedroom semi-detached house in Harrow (HA1 4SB). It has a recorded floor area of 34 m² (around 366 sq ft) and construction records dating it to 1900-1929. At 34 m² this is the smallest unit on EPC record across the building (34–223 m²). The building's EPC ratings span G to C across 38 units on file. The latest certificate (September 2021) shows a D (score 58), a step below the typical UK home. When first surveyed in November 2008 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to C (score 77). Main heating runs on electricity.

Held since February 2003 — that's 23 years off the open market, well above the local norm. Today's modelled estimate of £219,000 sits 298.2% above the 2003 sale of £55,000. On a £-per-square-foot basis, the last sale (£150/sq ft) was about 44% below the postcode norm. At 34 m² it sits well below the postcode median (97 m² across 37 EPCs), making it one of the more compact homes locally. One historical planning record sits against the property in 2012.