3 Boundary Road, Haringey, London, N22 6AS

3 Boundary Road is a detached house in Haringey, London, London (N22 6AS). It has a recorded floor area of 50 m² (around 543 sq ft) and construction records dating it to 1930-1949. At 50 m² this is the 11th smallest of 38 units on EPC record in the building, where floor areas span 18–182 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (45 versus a best of 75). The latest certificate (February 2010) shows an E (score 45), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. The latest certificate is from February 2010, so improvements made since then won't be reflected.

Untraded for 25 years, with the last transfer in May 2001. At 50 m² it's 28.9% smaller than the typical home in the postcode (71 m² median across 47 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2001, sale prices on this property compounded at -6% per year. Today's modelled estimate of £360,000 sits 500% above the 2001 sale of £60,000. On a £-per-square-foot basis, the last sale (£110/sq ft) was about 74.6% below the postcode norm.