41 Blyth Road, Waltham Forest, London, E17 8HP

41 Blyth Road is a two-bedroom mid-terrace house in Waltham Forest, London, London (E17 8HP). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (August 2018) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2009. Between certificates, lighting went from Very Poor to Poor; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 77). At 61 m² this is the 8th smallest of 30 units on EPC record in the building, where floor areas span 20–83 m². The building's EPC ratings span F to C across 30 units on file.

Untraded for 17 years, with the last transfer in September 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £461,000 sits 249.2% above the 2009 sale of £132,000. On a £-per-square-foot basis, the last sale (£201/sq ft) was about 25.6% below the postcode norm.