42b, Conewood Street, London, N5 1DL

42b is an end-of-terrace house in London (N5 1DL). It has a recorded floor area of 90 m² (around 969 sq ft) and construction records dating it to 1900-1929. At 90 m² this is the largest unit on EPC record across the building (48–90 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (52 versus a best of 63). The latest certificate (February 2017) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68).

It hasn't traded since September 2001, a hold of 25 years that's notably long for the area. At 90 m² the property is well over the postcode median (49 m² across 11 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £712,000 sits 203% above the 2001 sale of £235,000. On a £-per-square-foot basis, the last sale (£243/sq ft) was about 41.1% below the postcode norm.