Flat 4, 1 Highbury Place, Islington, London, N5 1QZ

Flat 4 is a one-bedroom detached house in Islington, London, London (N5 1QZ). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to 1900-1929. Tenure is freehold. At 45 m² this is the smallest unit on EPC record across the building (45–90 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 72). Period features are noted in the property record. The latest certificate (October 2018) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in November 2009 the rating was F, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Average and main heating went from Average to Good. The recommended improvements would lift it to C (score 75), a 2-band jump.

Most recent transfer was July 2025 at £570,000 — fresh data. At 45 m² it's 28.6% smaller than the typical home in the postcode (63 m² median across 37 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). Across 2004–2025, sale prices on this property compounded at 3.9% per year. On a £-per-square-foot basis, the last sale (£1,177/sq ft) was about 159.9% above the typical sold price in the postcode.