12c, Blomfield Villas, Westminster, London, W2 6NH

12c is a two-bedroom mid-terrace house in Westminster, London, London (W2 6NH). It has a recorded floor area of 43 m² (around 458 sq ft), construction records dating it to before 1900 and council tax band E. At 43 m² this is the smallest unit on EPC record across the building (43–180 m²). The building's EPC ratings span E to B across 24 units on file. The latest certificate (February 2010) shows a D (score 55), a step below the typical UK home. The latest certificate is from February 2010, so improvements made since then won't be reflected.

Untraded for 16 years, with the last transfer in July 2010. At 43 m² it sits well below the postcode median (88 m² across 25 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). 2 planning records sit against the property, 2 approved, 0 refused. Past consents include new windows and subdivision, meaningful when judging how the property has evolved. Today's modelled estimate of £648,000 is 35% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£1,048/sq ft) was about 144.8% above the typical sold price in the postcode.