Grimthorpe House, Flat 128, Percival Street, Islington, London, EC1V 0BR

Grimthorpe House is a three-bedroom end-of-terrace house in Islington, London, London (EC1V 0BR). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (September 2020) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since September 2011. Between certificates, wall efficiency went from Average to Good and roof efficiency went from Poor to Average. At 88 m² this is the 22nd 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 across 27 units on file.

At 88 m² the property is well over the postcode median (66 m² across 26 EPCs), placing it in the larger end of the local stock. On a £-per-square-foot basis, the last sale (£776/sq ft) was about 64.8% above the typical sold price in the postcode. Sold June 2021 for £735,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.