Roxborough Heights, Flat 43, Headstone Road, Harrow, HA1 1GP

Roxborough Heights is a one-bedroom mid-terrace house in Harrow (HA1 1GP). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1996-2002 and council tax band C. At 45 m² this is the 7th smallest of 49 units on EPC record in Roxborough Heights, where floor areas span 34–88 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (50 versus a best of 86). The latest certificate (January 2018) shows an E (score 50), well below the UK norm with real room to improve. Earlier certificates rated it B (March 2009); the latest reading is 3 bands lower. Between certificates, lighting went from Average to Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Very Poor. Main heating runs on electricity.

Untraded for 24 years, with the last transfer in November 2002. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £203,000 sits 53.8% above the 2002 sale of £132,000.