17a, Berrymede Road, London, W4 5JE

17a is a detached house in London (W4 5JE). It has a recorded floor area of 44 m² (around 474 sq ft) and construction records dating it to 1900-1929. At 44 m² this is the smallest unit on EPC record across the building (44–63 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (56 versus a best of 73). The latest certificate (September 2022) shows a D (score 56), a step below the typical UK home. When first surveyed in October 2009 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Average to Very Good and main heating went from Average to Good. The recommended improvements would push it to C (score 73).

At 44 m² it sits well below the postcode median (64 m² across 32 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2012. Past consents include an extension, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£1,278/sq ft) was about 169% above the typical sold price in the postcode. Sold October 2024 for £605,200.