Grimthorpe House, Flat 107, Percival Street, Islington, London, EC1V 0BR

Grimthorpe House is a two-bedroom mid-terrace house in Islington, London, London (EC1V 0BR). It has a recorded floor area of 71 m² (around 763 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (July 2010) returns a B (score 81), comfortably above the UK average. The latest certificate is from July 2010, so improvements made since then won't be reflected. At 71 m² this is the 15th smallest of 27 units on EPC record in Grimthorpe House, where floor areas span 50–124 m². The building's EPC ratings span E to B, with this unit at the top. Other recorded features include a balcony and notable views.

On energy efficiency it sits in the top 10% of properties in this postcode. Across 2008–2012, sale prices on this property compounded at 1.4% per year. Today's modelled estimate of £505,000 sits 54.4% above the 2012 sale of £327,000. On a £-per-square-foot basis, the last sale (£428/sq ft) was about 33.2% below the postcode norm. On the market in June 2012 and unlisted since — roughly 14 years. One historical planning record sits against the property in 2010.