263a, High Road Leytonstone, Waltham Forest, London, E11 4HH

263a is a mid-terrace house in Waltham Forest, London, London (E11 4HH). It has a recorded floor area of 44 m² (around 474 sq ft) and construction records dating it to before 1900. At 44 m² this is the 12th smallest of 29 units on EPC record in the building, where floor areas span 15–102 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (September 2025) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (April 2013); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Good to Poor and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity.

Untraded for 21 years, with the last transfer in August 2005. Today's modelled estimate of £462,000 sits 65% above the 2005 sale of £280,000. On a £-per-square-foot basis, the last sale (£591/sq ft) was about 218.5% above the typical sold price in the postcode.