249a, High Road Leytonstone, Waltham Forest, London, E11 4HH

249a is a mid-terrace house in Waltham Forest, London, London (E11 4HH). It has a recorded floor area of 15 m² (around 161 sq ft) and construction records dating it to 1900-1929. At 15 m² this is the smallest unit on EPC record across the building (15–102 m²). The building's EPC ratings span E to C across 29 units on file. The latest certificate (May 2024) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since July 2013. Between certificates, window efficiency went from Average to Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to C (score 78). Main heating runs on electricity.

At 15 m² it sits well below the postcode median (45 m² across 35 EPCs), making it one of the more compact homes locally. On a £-per-square-foot basis, the last sale (£2,415/sq ft) was about 1201.3% above the typical sold price in the postcode. On the market in November 2013 and unlisted since — roughly 13 years.