Avenell Mansions, Flat 4, Avenell Road, Islington, London, N5 1BN

Avenell Mansions is an end-of-terrace house in Islington, London, London (N5 1BN). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (February 2020) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2008. Between certificates, window efficiency went from Very Poor to Average. The recommended improvements would lift it to B (score 81), a 2-band jump. At 63 m² this is the 12th smallest of 24 units on EPC record in Avenell Mansions, where floor areas span 51–78 m². The building's EPC ratings span E to C across 24 units on file.

Held since August 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 2001–2009, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £502,000 sits 100.8% above the 2009 sale of £250,000.