18a, Elm Road, Waltham Forest, London, E11 4DN

18a is a two-bedroom detached house in Waltham Forest, London, London (E11 4DN). It has a recorded floor area of 28 m² (around 301 sq ft), construction records dating it to 1950-1966 and council tax band B. At 28 m² this is the smallest unit on EPC record across the building (28–141 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 76). Period features are noted in the property record. The latest certificate (December 2020) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity.

Untraded for 15 years, with the last transfer in May 2011. Across the public record there are 4 sales, relatively high churn for a single property. Across 2001–2011, sale prices on this property compounded at 9.3% per year. Today's modelled estimate of £282,000 sits 60.7% above the 2011 sale of £175,500. On a £-per-square-foot basis, the last sale (£582/sq ft) was about 89.4% above the typical sold price in the postcode. At 28 m² it sits well below the postcode median (86 m² across 14 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs).