25a, Ritson Road, Hackney, London, E8 1DE

25a is a mid-terrace house in Hackney, London, London (E8 1DE). It has a recorded floor area of 58 m² (around 624 sq ft) and construction records dating it to before 1900. At 58 m² this is the smallest unit on EPC record across the building (58–169 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (78 versus a worst of 55). The latest certificate (March 2022) shows a C (score 78), near the top of the C band. When first surveyed in March 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Average and lighting went from Good to Very Good.

Untraded for 20 years, with the last transfer in June 2006. Across the public record there are 4 sales, relatively high churn for a single property. Across 1996–2006, sale prices on this property compounded at 14.5% per year. Today's modelled estimate of £653,000 sits 76.5% above the 2006 sale of £370,000. On a £-per-square-foot basis, the last sale (£593/sq ft) was about 78.1% above the typical sold price in the postcode. At 58 m² it sits well below the postcode median (110 m² across 11 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 82% of similar EPCs).