The Triangle, Flat 1, Goswell Road, Islington, London, EC1V 0AF

The Triangle is a one-bedroom semi-detached house in Islington, London, London (EC1V 0AF). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (July 2019) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in June 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Poor to Good and main heating went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 73). At 44 m² this is the 2nd 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 across 25 units on file. Other recorded features include a balcony.

It hasn't traded since December 2006, a hold of 19 years that's notably long for the area. Across 1996–2006, sale prices on this property compounded at 16.4% per year. Today's modelled estimate of £361,000 sits 65.6% above the 2006 sale of £218,000. On a £-per-square-foot basis, the last sale (£460/sq ft) was about 52.9% above the typical sold price in the postcode. At 44 m² it sits well below the postcode median (67 m² across 24 EPCs), making it one of the more compact homes locally.