158a, Seven Sisters Road, Islington, London, N7 7PL

158a is an end-of-terrace house in Islington, London, London (N7 7PL). It has a recorded floor area of 80 m² (around 861 sq ft) and construction records dating it to 1930-1949. The latest certificate (February 2023) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2010. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Very Poor to Poor and lighting went from Poor to Very Good. The recommended improvements would lift it to C (score 76), a 2-band jump.

Held since September 2004 — that's 22 years off the open market, well above the local norm. At 80 m² the property is well over the postcode median (53 m² across 28 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Across 1998–2004, sale prices on this property compounded at 13.2% per year. Today's modelled estimate of £659,000 sits 112.6% above the 2004 sale of £310,000. On a £-per-square-foot basis, the last sale (£360/sq ft) was about 66.9% below the postcode norm.