25a, Colworth Road, London, E11 1JA

25a is an end-of-terrace house in London (E11 1JA). It has a recorded floor area of 43 m² (around 462 sq ft) and construction records dating it to 1900-1929. At 43 m² this is the 3rd smallest of 10 units on EPC record in the building, where floor areas span 36–96 m². The building's EPC ratings span E to C across 10 units on file. The latest certificate (May 2011) shows a D (score 62), on the cusp of jumping into the C band. The latest certificate is from May 2011, so improvements made since then won't be reflected.

Untraded for 20 years, with the last transfer in January 2006. Across 1999–2006, sale prices on this property compounded at 10.3% per year. Today's modelled estimate of £405,000 sits 113.2% above the 2006 sale of £190,000. On a £-per-square-foot basis, the last sale (£411/sq ft) was about 34.7% above the typical sold price in the postcode. At 43 m² it's 28.5% smaller than the typical home in the postcode (60 m² median across 38 EPCs). One historical planning record sits against the property in 2011.