Alfriston House, Flat 5, Broadwater Street East, Worthing, BN14 9AE

Alfriston House is an end-of-terrace house in Worthing (BN14 9AE). It has a recorded floor area of 34 m² (around 366 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (May 2014) shows an F (score 38), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since September 2009. Between certificates, window efficiency went from Poor to Good; while lighting dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 75), a 3-band jump. Main heating runs on electricity. The latest certificate is from May 2014, so improvements made since then won't be reflected. At 34 m² this is the 8th smallest of 20 units on EPC record in Alfriston House, where floor areas span 31–35 m². The building's EPC ratings span F to C, with this unit at the bottom.

Held since July 2000 — that's 26 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. Across 1998–2000, sale prices on this property compounded at 22.4% per year. Today's modelled estimate of £137,000 sits 291.4% above the 2000 sale of £35,000. On a £-per-square-foot basis, the last sale (£96/sq ft) was about 36.3% below the postcode norm.