3 Cadogan Close, Beckenham, BR3 5XY

3 Cadogan Close is a one-bedroom semi-detached house in Beckenham (BR3 5XY). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (August 2013) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2010. Between certificates, hot-water efficiency went from Very Poor to Poor and main heating went from Poor to Average. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. The latest certificate is from August 2013, so improvements made since then won't be reflected. At 46 m² this is the 3rd smallest of 34 units on EPC record in the building, where floor areas span 30–114 m². The building's EPC ratings span F to C across 34 units on file.

Held since September 1997 — that's 29 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £251,000 sits 382.7% above the 1997 sale of £52,000. On a £-per-square-foot basis, the last sale (£105/sq ft) was about 50.9% below the postcode norm. At 46 m² it sits well below the postcode median (67 m² across 33 EPCs), making it one of the more compact homes locally.