Twin Oak, Chequer Lane, Redbourn, St Albans, AL3 7NH

Twin Oak is a detached house in Redbourn, St. Albans, St Albans (AL3 7NH). It has a recorded floor area of 122 m² (around 1308 sq ft) and construction records dating it to 1950-1966. The latest certificate (August 2009) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 66). The latest certificate is from August 2009, so improvements made since then won't be reflected.

Held since September 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £599,000 sits 174.8% above the 2009 sale of £218,000. On a £-per-square-foot basis, the last sale (£167/sq ft) was about 37.5% below the postcode norm. 3 planning records sit against the property, 0 approved, 1 refused.