Flat 3, 51 Warwick Road, London, W5 5PZ

Flat 3 is an end-of-terrace house in London (W5 5PZ). It has a recorded floor area of 21 m² (around 226 sq ft), construction records dating it to 1930-1949 and council tax band B. At 21 m² this is the smallest unit on EPC record across the building (21–40 m²). On EPC score it ranks first in the building (72 versus a worst of 69). The latest certificate (September 2016) shows a C (score 72).

Untraded for 22 years, with the last transfer in June 2004. Today's modelled estimate of £287,000 sits 96.6% above the 2004 sale of £146,000. On a £-per-square-foot basis, the last sale (£646/sq ft) was about 57.4% above the typical sold price in the postcode. At 21 m² it sits well below the postcode median (49 m² across 15 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs).