3 St Christophers Flats, Hall Flat Lane, Doncaster, DN4 8PX

3 St Christophers Flats is a semi-detached house in Doncaster (DN4 8PX). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1900-1929 and council tax band A. At 38 m² this is the smallest unit on EPC record across 3 St Christophers Flats (38–46 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (41 versus a best of 70). The latest certificate (March 2020) shows an E (score 41), well below the UK norm with real room to improve. Earlier certificates rated it D (July 2016); the latest reading is one band lower. Between certificates, wall efficiency went from Poor to Good and lighting went from Average to Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to D (score 67). Main heating runs on to be used only when there is no heating/hot.

At 38 m² it's 17.4% smaller than the typical home in the postcode (46 m² median across 23 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include partial demolition, meaningful when judging how the property has evolved.