Flat 1, 174 West Wycombe Road, High Wycombe, HP12 3AP

Flat 1 is an end-of-terrace house in High Wycombe (HP12 3AP). It has a recorded floor area of 32 m² (around 344 sq ft), construction records dating it to 1900-1929 and council tax band A. At 32 m² this is the 5th smallest of 6 units on EPC record in the building, where floor areas span 4–79 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 (46 versus a best of 75). The latest certificate (April 2022) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2011. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on electricity.

At 32 m² it's 29.7% smaller than the typical home in the postcode (46 m² median across 44 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).