12 Barden Close, Harefield, Uxbridge, UB9 6LW

12 Barden Close is a three-bedroom mid-terrace house in Harefield, Uxbridge, Uxbridge (UB9 6LW). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (August 2014) shows an E (score 49), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2010); the latest reading is one band lower. Between certificates, hot-water efficiency went from Very Poor to Average and lighting went from Poor to Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 73), a 2-band jump. The latest certificate is from August 2014, so improvements made since then won't be reflected.

Held since June 2006 — that's 20 years off the open market, well above the local norm. At 128 m² the property is well over the postcode median (77 m² across 12 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2003–2006, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £400,000 sits 86% above the 2006 sale of £215,000. On a £-per-square-foot basis, the last sale (£156/sq ft) was about 24.7% below the postcode norm.