6d, Maryland Road, London, N22 5AJ

6d is a semi-detached house in London (N22 5AJ). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (May 2016) shows an F (score 21), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since October 2015. Between certificates, window efficiency went from Average to Good and main heating went from Poor to Average; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 78), a 3-band jump. Main heating runs on electricity. The latest certificate is from May 2016, so improvements made since then won't be reflected. At 46 m² this is the 10th smallest of 22 units on EPC record in the building, where floor areas span 23–80 m². The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (21 versus a best of 76).

At 46 m² it's 17.9% smaller than the typical home in the postcode (56 m² median across 29 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.