11 Bayes House, Augustas Lane, Islington, London, N1 1QT

11 Bayes House is a two-bedroom end-of-terrace house in Islington, London, London (N1 1QT). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (April 2025) shows an E (score 41), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since August 2010. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Very Poor to Poor; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity. At 93 m² this is the 14th smallest of 15 units on EPC record in the building, where floor areas span 52–109 m². The building's EPC ratings span F to C across 15 units on file. Other recorded features include a basement. Period features are noted in the property record.

Sale prices here have outpaced London HPI: 1.1% per year against 0% for the wider region. It changed hands recently, sold June 2025 for £930,000. At 93 m² it's 27.1% larger than the typical home in the postcode (73 m² median across 48 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs).