Flat 2, 15 Primrose Gardens, London, NW3 4UJ

Flat 2 is a mid-terrace house in London (NW3 4UJ). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1900-1929 and council tax band D. At 54 m² this is the largest unit on EPC record across the building (42–54 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 (76 versus a worst of 61). The latest certificate (February 2021) shows a C (score 76), near the top of the C band. The recommended improvements would push it to B (score 82).

Untraded for 28 years, with the last transfer in December 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £650,000 sits 310.1% above the 1997 sale of £158,500. On a £-per-square-foot basis, the last sale (£273/sq ft) was about 48.4% below the postcode norm.