20 Coptefield Drive, Belvedere, DA17 5RJ

20 Coptefield Drive is a two-bedroom semi-detached house in Belvedere (DA17 5RJ). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (September 2020) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since June 2009. Between certificates, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 74). Main heating runs on electricity. At 53 m² this is the 20th smallest of 28 units on EPC record in the building, where floor areas span 38–114 m². The building's EPC ratings span F to B across 28 units on file. The home occupies a cul-de-sac position.

Untraded for 24 years, with the last transfer in July 2002. Across 1999–2002, sale prices on this property compounded at 16.2% per year. Today's modelled estimate of £216,000 sits 184.2% above the 2002 sale of £75,995. On a £-per-square-foot basis, the last sale (£133/sq ft) was about 37.3% below the postcode norm.