1 Bardon Green, Aylesbury, HP20 2EQ

1 Bardon Green is a one-bedroom semi-detached house in Aylesbury (HP20 2EQ). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1967-1975 and council tax band A. At 38 m² this is the smallest unit on EPC record across the building (38–123 m²). The building's EPC ratings span F to C across 21 units on file. The latest certificate (March 2019) shows a D (score 62), on the cusp of jumping into the C band. Earlier certificates rated it C (January 2009); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good and main heating went from Average to Good; while wall efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 72).

Held since January 2003 — that's 23 years off the open market, well above the local norm. Across 2001–2003, sale prices on this property compounded at 21.1% per year. Today's modelled estimate of £156,000 sits 90.2% above the 2003 sale of £82,000. At 38 m² it sits well below the postcode median (74 m² across 20 EPCs), making it one of the more compact homes locally.