21 St Pauls Close, Harlington, Hayes, UB3 5AA

21 St Pauls Close is a mid-terrace house in Harlington, Hayes, Hayes (UB3 5AA). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1967-1975 and council tax band C. At 99 m² this is the largest unit on EPC record across the building (44–99 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (October 2023) shows an E (score 45), well below the UK norm with real room to improve. Earlier certificates rated it D (February 2019); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Average to Very Poor. The recommended improvements would lift it to C (score 71), a 2-band jump. Main heating runs on electricity.

At 99 m² the property is well over the postcode median (75 m² across 28 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs).