57a, Maryland Road, London, N22 5AR

57a is a mid-terrace house in London (N22 5AR). It has a recorded floor area of 52 m² (around 560 sq ft) and construction records dating it to 1900-1929. The latest certificate (February 2020) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in February 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Poor to Very Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 73). At 52 m² this is the 2nd smallest of 18 units on EPC record in the building, where floor areas span 46–131 m². The building's EPC ratings span E to B across 18 units on file.

It hasn't traded since January 1998, a hold of 28 years that's notably long for the area. Across 1995–1998, sale prices on this property compounded at 12.9% per year. Today's modelled estimate of £370,000 sits 469.2% above the 1998 sale of £65,000. On a £-per-square-foot basis, the last sale (£116/sq ft) was about 62.4% below the postcode norm. At 52 m² it's 27.8% smaller than the typical home in the postcode (72 m² median across 58 EPCs).