8b, Roundstone Street, Trowbridge, BA14 8DL

8b is an end-of-terrace house in Trowbridge (BA14 8DL). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (July 2018) shows an E (score 45), well below the UK norm with real room to improve. When first surveyed in July 2009 the rating was F, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 82), a 3-band jump. Main heating runs on electricity. At 46 m² this is the 4th smallest of 8 units on EPC record in the building, where floor areas span 24–54 m². The building's EPC ratings span F to D across 8 units on file.

Untraded for 19 years, with the last transfer in July 2007. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include new windows, meaningful when judging how the property has evolved. Across 2000–2007, sale prices on this property compounded at 18% per year. Today's modelled estimate of £119,000 is 19% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£202/sq ft) was about 25.5% above the typical sold price in the postcode.