14 Keystone Crescent, Islington, London, N1 9DS

14 Keystone Crescent is a mid-terrace house in Islington, London, London (N1 9DS). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (August 2024) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (March 2014); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would lift it to C (score 79), a 2-band jump.

Untraded for 23 years, with the last transfer in December 2002. Sale prices here have outpaced London HPI: 23.6% per year against 0% for the wider region. Today's modelled estimate of £984,000 sits 113.9% above the 2002 sale of £460,000. On a £-per-square-foot basis, the last sale (£855/sq ft) was about 19.1% above the typical sold price in the postcode. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. At 50 m² it sits well below the postcode median (102 m² across 21 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).