303a, High Road Leytonstone, Waltham Forest, London, E11 4HH

303a is a two-bedroom end-of-terrace house in Waltham Forest, London, London (E11 4HH). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1900-1929 and council tax band B. At 51 m² this is the 15th 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 (January 2018) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 59).

Held since June 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £351,000 sits 80% above the 2007 sale of £195,000. On a £-per-square-foot basis, the last sale (£355/sq ft) was about 91.4% above the typical sold price in the postcode. At 51 m² it's 15.9% larger than the typical home in the postcode (44 m² median across 35 EPCs).