21 Duckett Road, Haringey, London, N4 1BJ

21 Duckett Road is a mid-terrace house in Haringey, London, London (N4 1BJ). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (September 2017) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in August 2013 the rating was G, the property has climbed 3 bands since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Very Good and main heating went from Very Poor to Good. The recommended improvements would push it to C (score 75). At 55 m² this is the 8th smallest of 29 units on EPC record in the building, where floor areas span 22–213 m². The building's EPC ratings span E to B across 29 units on file.

Across 2014–2019, sale prices on this property compounded at -28.6% per year. Today's modelled estimate of £480,000 sits 860% above the 2019 sale of £50,000. On a £-per-square-foot basis, the last sale (£84/sq ft) was about 65.7% below the postcode norm. At 55 m² it's 15.4% smaller than the typical home in the postcode (65 m² median across 43 EPCs). Sold September 2019 for £50,000.