6 Keystone Crescent, Islington, London, N1 9DS

6 Keystone Crescent is a mid-terrace house in Islington, London, London (N1 9DS). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (September 2020) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since August 2010. Between certificates, lighting went from Very Poor to Average; while roof efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 82), a 2-band jump.

12 planning records sit against the property, 7 approved, 3 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. The record references listed-building consent and conservation-area consent, which constrain future alterations. At 109 m² it's 22.5% larger than the typical home in the postcode (89 m² median across 21 EPCs). On a £-per-square-foot basis, the last sale (£959/sq ft) was about 47.3% above the typical sold price in the postcode. 8 years since the last transfer (December 2017).