Flat, 5 Cross Lane, Grappenhall, Warrington, WA4 2LW

Flat is a semi-detached house in Grappenhall, Warrington, Warrington (WA4 2LW). It has a recorded floor area of 61 m² (around 660 sq ft), construction records dating it to before 1900 and council tax band A. At 61 m² this is the 2nd smallest of 9 units on EPC record in the building, where floor areas span 57–142 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (January 2012) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2009); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Good and lighting went from Average to Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. The latest certificate is from January 2012, so improvements made since then won't be reflected.

At 61 m² it sits well below the postcode median (110 m² across 8 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs).