Flat 4, 7 Arkwright Road, London, NW3 6AA

Flat 4 is a one-bedroom semi-detached house in London (NW3 6AA). It has a recorded floor area of 34 m² (around 366 sq ft), construction records dating it to 1900-1929 and council tax band D. At 34 m² this is the smallest unit on EPC record across the building (34–155 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (79 versus a worst of 57). The latest certificate (March 2018) shows a C (score 79), near the top of the C band. The rating has held steady at C across 2 certificates since October 2009. Between certificates, wall efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and lighting went from Very Poor to Average.

At 34 m² it sits well below the postcode median (82 m² across 56 EPCs), making it one of the more compact homes locally. Across 2013–2024, sale prices on this property compounded at 2% per year. On a £-per-square-foot basis, the last sale (£1,366/sq ft) was about 57.4% above the typical sold price in the postcode. Most recent transfer: August 2024 at £500,000.