11 13, Flat 3, New Road, Radcliffe, Manchester, M26 1LS

11 13 is an end-of-terrace house in Radcliffe, Manchester, Manchester (M26 1LS). It has a recorded floor area of 38 m² (around 409 sq ft) and construction records dating it to 1950-1966. At 38 m² this is the smallest unit on EPC record across 11 13 (38–42 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (54 versus a best of 65). The latest certificate (July 2023) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since May 2013. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Very Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Good to Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to D (score 67). Main heating runs on electricity.

At 38 m² it sits well below the postcode median (98 m² across 9 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs).