Byron Court 25 31, Flat 1, South Street, Romford, RM1 1NJ

Byron Court 25 31 is an end-of-terrace house in Romford (RM1 1NJ). It has a recorded floor area of 91 m² (around 983 sq ft) and construction records dating it to 1900-1929. At 91 m² this is the largest unit on EPC record across Byron Court 25 31 (30–91 m²). The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (June 2011) shows an E (score 42), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2010); the latest reading is one band lower. Between certificates, hot-water efficiency went from Poor to Average; while wall efficiency dropped from Poor to Very Poor and main heating dropped from Average to Poor. Main heating runs on electricity. The latest certificate is from June 2011, so improvements made since then won't be reflected.

At 91 m² the property is well over the postcode median (54 m² across 12 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).