Copythorne House, Flat 8, 9 Gordon Road, Haywards Heath, RH16 1EL

Copythorne House is a one-bedroom end-of-terrace house in Haywards Heath (RH16 1EL). It has a recorded floor area of 47 m² (around 506 sq ft) and construction records dating it to 1983-1990. At 47 m² this is the 3rd smallest of 10 units on EPC record in Copythorne House, where floor areas span 42–78 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (September 2020) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since February 2009. Between certificates, wall efficiency went from Average to Good and lighting went from Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.

At 47 m² it sits well below the postcode median (79 m² across 48 EPCs), making it one of the more compact homes locally. Across 1997–2018, sale prices on this property compounded at 6.7% per year. Today's modelled estimate of £204,000 is 20% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£336/sq ft) was about 21.5% above the typical sold price in the postcode. Last sale on file: £170,000 in October 2018.