Flat, 184 Copnor Road, Portsmouth, PO3 5BZ

Flat is a semi-detached house in Portsmouth (PO3 5BZ). It has a recorded floor area of 53 m² (around 570 sq ft) and construction records dating it to 1900-1929. The latest certificate (January 2014) shows an E (score 47), well below the UK norm with real room to improve. When first surveyed in May 2013 the rating was G, the property has climbed 2 bands since. Between certificates, window efficiency went from Poor to Average and main heating went from Very Poor to Good; while roof efficiency dropped from Average to Poor and hot-water efficiency dropped from Average to Poor. The recommended improvements would lift it to C (score 69), a 2-band jump. The latest certificate is from January 2014, so improvements made since then won't be reflected. At 53 m² this is the 8th smallest of 19 units on EPC record in the building, where floor areas span 33–131 m². The building's EPC ratings span G to C across 19 units on file.

At 53 m² it's 24.8% smaller than the typical home in the postcode (71 m² median across 18 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs).