57b, Anson Road, London, N7 0AR

57b is an end-of-terrace house in London (N7 0AR). It has a recorded floor area of 78 m² (around 840 sq ft) and construction records dating it to 1900-1929. At 78 m² this is the smallest unit on EPC record across the building (78–142 m²). The latest certificate (July 2020) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 4 certificates since September 2009. Between certificates, lighting went from Very Poor to Average; while window efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 79).

Untraded for 27 years, with the last transfer in February 1999. Across 1997–1999, sale prices on this property compounded at 3.1% per year. Today's modelled estimate of £683,000 sits 387.9% above the 1999 sale of £140,000. On a £-per-square-foot basis, the last sale (£167/sq ft) was about 67% below the postcode norm.