Flat, 21 Timbrell Street, Trowbridge, BA14 8PP

Flat is an end-of-terrace house in Trowbridge (BA14 8PP). It has a recorded floor area of 26 m² (around 280 sq ft) and construction records dating it to 1967-1975. At 26 m² this is the 2nd smallest of 43 units on EPC record in the building, where floor areas span 19–76 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (40 versus a best of 84). The latest certificate (March 2020) shows an E (score 40), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2008. Between certificates, hot-water efficiency went from Very Poor to Average, lighting went from Good to Very Good and main heating went from Poor to Average; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to D (score 63). Main heating runs on electricity.

Across 2000–2022, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £203,000 is 39% below the 2022 sale of £333,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£1,190/sq ft) was about 1015.5% above the typical sold price in the postcode. At 26 m² it sits well below the postcode median (42 m² across 42 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Sold March 2022 for £333,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.