1 Highbury Quadrant, Islington, London, N5 2TH

1 Highbury Quadrant is a two-bedroom end-of-terrace house in Islington, London, London (N5 2TH). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1950-1966 and council tax band C. At 61 m² this is the 9th smallest of 23 units on EPC record in the building, where floor areas span 41–70 m². The building's EPC ratings span D to B, with this unit at the bottom. Other recorded features include a balcony. The latest certificate (March 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2009. Between certificates, window efficiency went from Poor to Average and lighting went from Good to Very Good. The recommended improvements would push it to C (score 74).

Untraded for 28 years, with the last transfer in May 1998. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £447,000 sits 657.6% above the 1998 sale of £59,000. On a £-per-square-foot basis, the last sale (£90/sq ft) was about 80.5% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs).