3 Belvedere, Blackness Road, Crowborough, TN6 2LT

3 Belvedere is a one-bedroom detached house in Crowborough (TN6 2LT). It has a recorded floor area of 23 m² (around 248 sq ft), construction records dating it to 1930-1949 and council tax band A. At 23 m² this is the smallest unit on EPC record across the building (23–57 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 68). Other recorded features include a self-contained annexe. The latest certificate (February 2019) shows an E (score 39), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2008. Between certificates, window efficiency went from Poor to Average, lighting went from Average to Very Good and main heating went from Very Poor to Average; while hot-water efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity.

Untraded for 20 years, with the last transfer in December 2005. Sale prices here have outpaced England HPI: 22% per year against 0% for the wider region. Today's modelled estimate of £142,000 sits 80.9% above the 2005 sale of £78,500. On a £-per-square-foot basis, the last sale (£317/sq ft) was about 31.9% above the typical sold price in the postcode. At 23 m² it sits well below the postcode median (83 m² across 13 EPCs), making it one of the more compact homes locally.