The Triangle, Flat 14, Goswell Road, Islington, London, EC1V 0AF

The Triangle is a one-bedroom mid-terrace house in Islington, London, London (EC1V 0AF). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1967-1975 and council tax band C. At 47 m² this is the 10th smallest of 25 units on EPC record in The Triangle, where floor areas span 36–88 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (December 2025) shows a C (score 78), near the top of the C band. The rating has held steady at C across 3 certificates since July 2014. Between certificates, wall efficiency went from Poor to Good; while lighting dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition.

Held since June 2006 — that's 20 years off the open market, well above the local norm. Today's modelled estimate of £358,000 sits 90.2% above the 2006 sale of £188,250. On a £-per-square-foot basis, the last sale (£372/sq ft) was about 24.2% above the typical sold price in the postcode. At 47 m² it's 29.3% smaller than the typical home in the postcode (67 m² median across 24 EPCs).