Flat 1, 1 Highbury Place, Islington, London, N5 1QZ

Flat 1 is a detached house in Islington, London, London (N5 1QZ). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to before 1900 and council tax band A. At 90 m² this is the largest unit on EPC record across the building (45–90 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (March 2020) shows a C (score 72). The rating has held steady at C across 3 certificates since March 2009. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Very Good to Good.

It hasn't traded since January 2005, a hold of 21 years that's notably long for the area. At 90 m² the property is well over the postcode median (62 m² across 37 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £580,000 sits 190% above the 2005 sale of £200,001. On a £-per-square-foot basis, the last sale (£206/sq ft) was about 58.4% below the postcode norm.