9a, Beacon Hill, Islington, London, N7 9LY

9a is a detached house in Islington, London, London (N7 9LY). It has a recorded floor area of 90 m² (around 964 sq ft) and construction records dating it to 1900-1929. The latest certificate (November 2010) shows an F (score 36), near the bottom of the EPC scale. When first surveyed in November 2010 the rating was G, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and main heating went from Very Poor to Good; while window efficiency dropped from Poor to Very Poor. The recommended improvements would push it to E (score 51). The latest certificate is from November 2010, so improvements made since then won't be reflected. At 90 m² this is the 13th smallest of 32 units on EPC record in the building, where floor areas span 37–267 m². The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (36 versus a best of 77).

At 90 m² it's 28% larger than the typical home in the postcode (70 m² median across 40 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. On a £-per-square-foot basis, the last sale (£1,192/sq ft) was about 104.2% above the typical sold price in the postcode. 14 years since the last transfer (January 2012).