Alonso House, Flat 47, Essenden Road, Belvedere, DA17 5EG

Alonso House is a three-bedroom mid-terrace house in Belvedere (DA17 5EG). It has a recorded floor area of 78 m² (around 835 sq ft), construction records dating it to 1950-1966 and council tax band C. At 78 m² this is the largest unit on EPC record across Alonso House (59–78 m²). The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (36 versus a best of 78). The latest certificate (March 2009) shows an F (score 36), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 64), a 2-band jump. Main heating runs on electricity. The latest certificate is from March 2009, so improvements made since then won't be reflected.

Held since December 2010 — that's 15 years off the open market, well above the local norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £251,000 sits 60.4% above the 2010 sale of £156,500.