27a, Gillespie Road, Islington, London, N5 1LH

27a is a mid-terrace house in Islington, London, London (N5 1LH). It has a recorded floor area of 42 m² (around 452 sq ft) and construction records dating it to before 1900. At 42 m² this is the smallest unit on EPC record across the building (42–166 m²). The building's EPC ratings span E to C across 30 units on file. The latest certificate (January 2017) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2010); the latest reading is one band lower. The recommended improvements would push it to C (score 78).

At 42 m² it sits well below the postcode median (102 m² across 31 EPCs), making it one of the more compact homes locally. Across 2006–2012, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £461,000 is 41.8% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£719/sq ft) was about 39.5% above the typical sold price in the postcode. Last changed hands 13 years ago, in December 2012.