3 Chalbury Walk, Islington, London, N1 9SY

3 Chalbury Walk is a one-bedroom end-of-terrace house in Islington, London, London (N1 9SY). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1967-1975 and council tax band C. At 48 m² this is the 13th smallest of 19 units on EPC record in the building, where floor areas span 43–100 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (August 2019) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2009. Between certificates, window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 69).

It hasn't traded since October 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £385,000 sits 55.6% above the 2009 sale of £247,500. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs).