4 Balfour Road, Islington, London, N5 2HB

4 Balfour Road is a mid-terrace house in Islington, London, London (N5 2HB). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to before 1900 and council tax band D. At 70 m² this is the 7th smallest of 24 units on EPC record in the building, where floor areas span 33–250 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2020) shows a C (score 72). When first surveyed in November 2008 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good.

Held since September 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 2005–2009, sale prices on this property compounded at 14.7% per year. Today's modelled estimate of £704,000 sits 98.3% above the 2009 sale of £355,000. One planning record on file: an extension approved in 2014. Past consents include an extension and new windows, meaningful when judging how the property has evolved. At 70 m² it's 22.2% smaller than the typical home in the postcode (90 m² median across 40 EPCs).