47b, Grand Parade, Green Lanes, London, N4 1AG

47b is a mid-terrace house in London (N4 1AG). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (January 2024) returns a B (score 81), comfortably above the UK average. When first surveyed in May 2011 the rating was C, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Average to Very Good; while window efficiency dropped from Good to Average. At 79 m² this is the 20th smallest of 34 units on EPC record in the building, where floor areas span 21–98 m². The building's EPC ratings span E to B, with this unit at the top. On EPC score it ranks first in the building (81 versus a worst of 51).

On energy efficiency it sits in the top 10% of properties in this postcode. Across 1999–2016, sale prices on this property compounded at 9.9% per year. Today's modelled estimate of £438,000 is 15.3% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£447/sq ft) was about 137.1% above the typical sold price in the postcode. On the market in March 2016 and unlisted since — roughly 10 years.