138a, Columbia Road, Tower Hamlets, London, E2 7RG

138a is a mid-terrace house in Tower Hamlets, London, London (E2 7RG). It has a recorded floor area of 20 m² (around 215 sq ft) and construction records dating it to 1900-1929. At 20 m² this is the smallest unit on EPC record across the building (20–131 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (April 2016) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 74), a 2-band jump. The latest certificate is from April 2016, so improvements made since then won't be reflected.

Across 2000–2014, sale prices on this property compounded at -8.1% per year. Today's modelled estimate of £365,000 sits 860.5% above the 2014 sale of £38,000. On a £-per-square-foot basis, the last sale (£177/sq ft) was about 72.5% below the postcode norm. At 20 m² it sits well below the postcode median (71 m² across 29 EPCs), making it one of the more compact homes locally. On the market in November 2014 and unlisted since — roughly 12 years.