47d, Islington, Trowbridge, BA14 8QG

47d is a three-bedroom detached house in Trowbridge (BA14 8QG). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2015) shows an F (score 36), near the bottom of the EPC scale. The rating has held steady at F across 4 certificates since February 2010. Between certificates, hot-water efficiency went from Poor to Average, lighting went from Very Poor to Good and main heating went from Average to Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 83), a 4-band jump. The latest certificate is from September 2015, so improvements made since then won't be reflected. The home occupies a cul-de-sac position.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2015, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £238,000 sits 61.9% above the 2015 sale of £147,000. On a £-per-square-foot basis, the last sale (£175/sq ft) was about 17.3% below the postcode norm. Last changed hands 11 years ago, in July 2015. Across the public record there are 6 sales, relatively high churn for a single property.