21a, Hurst Road, Waltham Forest, London, E17 3BL

21a is a two-bedroom mid-terrace house in Waltham Forest, London, London (E17 3BL). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to 1930-1949. The latest certificate (September 2023) shows a C (score 70). When first surveyed in August 2013 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Poor and lighting went from Good to Very Good. At 46 m² this is the 4th smallest of 40 units on EPC record in the building, where floor areas span 37–166 m². The building's EPC ratings span E to B across 40 units on file.

Untraded for 28 years, with the last transfer in February 1998. Across 1995–1998, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £287,000 sits 426.6% above the 1998 sale of £54,500. On a £-per-square-foot basis, the last sale (£110/sq ft) was about 62% below the postcode norm. At 46 m² it sits well below the postcode median (108 m² across 39 EPCs), making it one of the more compact homes locally.