Flat 3, 54 Avenue Road, Trowbridge, BA14 0AQ

Flat 3 is an end-of-terrace house in Trowbridge (BA14 0AQ). It has a recorded floor area of 25 m² (around 269 sq ft), construction records dating it to before 1900 and council tax band A. At 25 m² this is the smallest unit on EPC record across the building (25–81 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 (42 versus a best of 69). The latest certificate (August 2018) shows an E (score 42), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since February 2009. Between certificates, hot-water efficiency went from Very Poor to Average. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity.

Across 2007–2015, sale prices on this property compounded at -2% per year. Today's modelled estimate of £101,000 sits 57.8% above the 2015 sale of £64,000. On a £-per-square-foot basis, the last sale (£238/sq ft) was about 24.3% above the typical sold price in the postcode. At 25 m² it sits well below the postcode median (102 m² across 46 EPCs), making it one of the more compact homes locally. 11 years since the last transfer (March 2015).