Avondale House, Flat 10, 4 Silver Street, Trowbridge, BA14 8AA

Avondale House is an end-of-terrace house in Trowbridge (BA14 8AA). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to before 1900 and council tax band A. At 43 m² this is the 3rd smallest of 10 units on EPC record in Avondale House, where floor areas span 37–66 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 (51 versus a best of 78). The latest certificate (October 2022) shows an E (score 51), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2012. Between certificates, lighting went from Average to Very Good. The recommended improvements would lift it to C (score 77), a 2-band jump.

It hasn't traded since July 2006, a hold of 20 years that's notably long for the area. At 43 m² it's 25.2% smaller than the typical home in the postcode (58 m² median across 24 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £107,000 is 38.1% above the 2006 sale price.