57a, Castleton Road, Waltham Forest, London, E17 4AR

57a is a two-bedroom mid-terrace house in Waltham Forest, London, London (E17 4AR). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (March 2025) shows a C (score 70). When first surveyed in April 2010 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good. At 52 m² this is the 5th smallest of 49 units on EPC record in the building, where floor areas span 47–176 m². The building's EPC ratings span F to B across 49 units on file.

Held since July 1998 — that's 28 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £390,000 sits 500% above the 1998 sale of £65,000. On a £-per-square-foot basis, the last sale (£116/sq ft) was about 57.7% below the postcode norm. At 52 m² it sits well below the postcode median (105 m² across 48 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs).